Crime Prevention

The program focuses on reducing violent gun crime by disrupting the cycle of gun violence by relying on forensic science and data analysis to identify, investigate, and prosecute individuals who use guns in criminal activity, and the sources of their guns. The program is rated No Effects. The program did not significantly affect homicides or aggravated assaults with a firearm but was shown to significantly reduce violent crime and robbery with a firearm.

This program was a place-based crime policing initiative implemented for 1 year to reduce violent crime. Risk-based policing initiatives promote data-informed decisions based on a process of defining the problem, gathering information, and analyzing data. The program is rated Promising. The program resulted in a statistically significant reduction of 22.6 percent in violent crimes in the intervention areas, compared with the comparison areas.

The mobile device and software for this program were developed to enable frontline police officers to access police database records and upload timely and accurate information while out in the field. This program is rated Promising. The program led to statistically significantly increases in the total number of recorded street checks, the total number of recorded driving offenses, and the number of drug offenses (possession and use) recorded per month by police officers.

This involves police officers wearing cameras on their uniforms to improve the civility of their interactions with citizens. The program is rated Effective. There were statistically significant reductions in citizen complaints against police and police use-of-force reports for officers who wore cameras, compared with those who did not, and statistically significant reductions in complaints against control officers in the treatment districts, compared with officers in the untreated districts.

This involves prison time for individuals who have committed drunk-driving offenses to reduce their risk of recidivism upon their release. The program is rated No Effects. There was no statistically significant difference between individuals in the treatment group (who received prison time) and the comparison group (who received a suspended imprisonment sentence) on reoffending with a driving-while-under-the-influence-of-alcohol offense within 6 months’, 24 months’, or 5 years’ time.

This program provides community supervision and services to individuals released early from prison to help them find employment and reduce their recidivism. The program is rated Effective. Program participants were less likely to be reincarcerated and had higher rates of integration into the workforce, compared with individuals who did not participate in the program. These differences were statistically significant.

This is a prevention planning and implementation system designed to improve risk and protective factors, and reduce secretive problems, in military communities. The program is rated No Effects. There were no statistically significant differences between the bases assigned to NORTH STAR and the comparison bases on measures of physical or emotional interpersonal violence/partner abuse, physical or emotional child abuse, hazardous drinking, suicidality, or prescription drug misuse.

The goal of this bystander-focused, classroom-delivered curriculum is to reduce rates of interpersonal violence among high school students. The program is rated No Effects. The program had no statistically significant impact on various measures of interpersonal violence, victim empathy, and measures of proactive bystander behavior. There was a statistically significant decrease for the treatment group in bystander denial about the role students could play in preventing interpersonal violence.

This program targets behavior changes in men who have committed a domestic violence offense, to reduce their risk of reoffending. The program is rated Promising. Men in the treatment group had statistically significant reductions in their rate of reconvictions and time to both their first violent and general reconvictions, compared with men in the control group. There were no statistically significant differences between groups in general or domestic violence reoffending within 12 months.

This program involves 15 minutes of police patrol in high-crime hot spots to reduce crime. The program is rated Promising. There were statistically significant reductions in reports of violent crimes and robbery and other crimes against personal victims in hot spots on treatment days, compared with control days.

This program involves film and guided discussion to promote bystander behavior related to dating abuse. The program is rated No Effects. There were no statistically significant differences between the intervention and control groups on intervening when a peer was being harmed or physically hurt by an intimate partner, or when a peer was intoxicated or being bullied. The intervention group was statistically significantly more likely to intervene in peer self-harm, compared with the control group.

The program is an intensive case management model for providing services to youths simultaneously involved in the child welfare and juvenile justice systems, with the goal of reducing recidivism. The program is rated No Effects. There was no statistically significant difference in youth arrests between youths who participated in the Wraparound Program, compared with youths in the treatment-as-usual condition.

This is a specialized court program that targets high-risk gang-affiliated individuals with felony convictions for intensive supervision, with the goal of reducing recidivism. The program is rated Promising. Gang members who participated in the program had a statistically significant lower likelihood of probation revocation than gang members who did not participate. But there were no statistically significant differences in new arrests between the groups.

This program seeks to reduce the rearrests of individuals previously convicted of driving while under the influence (DUI) of alcohol or drugs through intensive testing and monitoring of drug and alcohol consumption. The program is rated Promising. There was a statistically significant decrease in the rates of DUI arrests by roughly 9 percent in counties that implemented the program, compared with counties that did not implement the program.

This was a focused deterrence intervention designed to reduce the presence of gun violence and gang activity. The program is rated Promising. There was a statistically significant reduction in confirmed shots fired, residents’ reports of hearing gunshots, and residents’ reports of seeing gang activity. However, there was no statistically significant impact on calls for service for shots fired.

This is a training and production program for incarcerated individuals, with the overall goal of reducing recidivism. The program is rated Promising. Compared with individuals in the waitlist comparison group, individuals who participated in the program had a statistically significant lower likelihood of being rearrested, reconvicted, or returned to custody during the 3-year follow-up period.

This was an urban-based intensive supervision program in which high-risk, gang-affiliated youths (ages 12–19) were assigned to work with a probation officer who was paired with a paid “street mentor.” The program is rated Promising. Youths in the program were significantly less likely than those in the comparison group to have a new conviction in the follow-up period of up to 3 years and remained offense-free for a longer period.

This is a community corrections model of probation and parole that focuses on opportunity-reduction strategies to reduce recidivism. The program is rated Effective. There were statistically significant reductions in new arrests and longer time to new arrest for individuals in the treatment group, compared with individuals in the control group.

This is a framework of recommended practices for integrating police into the educational environment to enhance a safe school climate. The program is rated No Effects. There were no statistically significant differences in treatment and control school students’ delinquency, victimization, exclusionary discipline, relationships with adults, perceptions of police, nor school bonding, connectedness, and safety. Treatment school students had statistically significant increases in rule clarity.

This intervention was designed to help adolescent males in detention with interpersonal stress and conflict. The program is rated No Effects. There were no statistically significant effects on depressive symptoms, recidivism, social problem-solving, anger response, anger control, and inward expression of anger. However, the treatment as usual control condition was found to have a statistically significant reduction on outward expression of anger, a result in the other-than-expected direction.

This program equips police with on-officer cameras to record their interactions with civilians. The program is rated No Effects. Camera use had no statistically significant effects on officers’ total number of proactive activities, specifically on the number of traffic stops or business checks, nor on arrests, citizen complaints, and use-of-force incidents. Officers with cameras conducted statistically significantly fewer subject stops, and statistically significantly more park and walks.

This program aims to prevent sexual violence in middle school male athletes. The program is rated No Effects. There were no statistically significant differences between treatment and control group athletes in reports of abuse (relationship, cybersexual, or sexual), sexual harassment, negative bystander behaviors, sex-equitable attitudes, or intention to intervene. Treatment group athletes reported statistically significantly more positive bystander behaviors and recognized more signs of abuse.

This program aims to reduce recidivism among Minnesota’s prison population by expanding the accessibility of visitation opportunities. The program is rated No Effects. There was no statistically significant effect on violence reconviction and technical violation revocations. The program had a statistically significant (small to moderate) impact on general revocations for any offense and reconvictions for felonies.

This is a focused deterrence police strategy that was designed to reduce gang- and group-related violence in Detroit, Mich. The program is rated No Effects. There were no statistically significant differences found for weapons arrests or shooting victimizations for participants in two age groups (15–24 and 25–34). The program did show a statistically significant reduction in all arrests and violent arrests for individuals who attended the Detroit Ceasefire call-in meetings.

This program involved the use of a crime forecasting model to direct police patrol to dynamic hot spots to reduce crime. The program is rated Promising. There were statistically significant reductions in daily crime volume (specifically burglary, car theft, and burglary-theft from vehicle) for police patrols in the treatment condition, compared with patrols in the control condition.

This was a focused deterrence violence-reduction strategy involving enforcement and services to targeted individuals to address gun and gang violence. The program is rated Promising. There were statistically significant reductions in community-level criminal shootings in treated areas, compared with matched comparison areas, and in shootings around treated gang territories, compared with areas around matched comparison gang territories, at 2 years’ postimplementation.

This is an intensive, supervised release program for individuals released from prison in Minnesota who are at high risk for reoffending. The primary goal of the program is to reduce recidivism of released individuals. The program is rated Promising. The program reduced the risk of general, felony, and violent reconvictions and any rearrests, but increased the risk of a technical violation revocation. All of these differences were statistically significant.

This is a place-based intervention that uses environmental design at high-crime businesses in the city to reduce crime and improve public safety. The program is rated No Effects. There were no statistically significant effects on disorder occurrences or violent crime. The intervention did result in statistically significant reductions in property crime around treated businesses, compared with matched control businesses, at 1-year postimplementation.

This is a juvenile reentry program that offers services to youth returning to the community in Tulsa, Okla., after their out-of-home placements. The goal of the program is to reduce rates of recidivism for high-risk youth. The program is rated No Effects. There were no statistically significant differences in reconviction rates for treatment group youth who received the program’s services, compared with comparison group youth who did not receive services.

This is a program that aims to divert youths charged with serious offenses from detention, with an overall goal of reducing recidivism. The program is rated Promising. Comparison group participants were more likely than treatment group participants to recidivate and to recidivate for a felony charge. Comparison group participants had a higher average number than treatment group participants of referrals and felony referrals. All differences were statistically significant.

The program is an alternative to formal processing in the juvenile justice system. The overall goal is to reduce the number of youths entering the juvenile justice system, while also reducing recidivism. The program is rated Promising. Youths in the treatment group who participated in the diversion program had statistically significantly fewer rearrests, compared with youths in the comparison group who did not participate in the intervention.

This is a parole-based, focused deterrence intervention. The goal of the program is to reduce community-level firearm violence. The program is rated Effective. The intervention was associated with statistically significant reductions in measures of total gun violence, total non-gun violence, and total violence, compared with the synthetic control group.

The brief intervention targeted probation and parole officers’ mindsets about adults on probation or parole. Its goal was to reduce rates of recidivism and violations among adults on probation or parole by promoting empathic perspectives among officers. The program is rated Promising. Recidivism rates were significantly lower for the treatment condition compared with the control condition, but the intervention did not significantly affect violations.

This intervention involves the removal of incarcerated individuals from the general prison population. The program is rated No Effects. Individuals who were placed in restrictive housing in New Jersey prisons had statistically significantly more rearrests, reconvictions, and reincarcerations due to technical violations and recidivated faster, compared with individuals who did not experience restrictive housing.

The purpose of this program is to afford individuals who have committed a driving-under-the-influence (DUI) offense the opportunity to avoid the stigma of a criminal conviction and criminal labeling by expunging criminal records pertaining to the DUI offense through a diversion program. The program is rated Promising. Those in the diversion program were statistically significantly less likely to be rearrested within 4 years of the final disposition.

This is a procedural justice checklist for counterterrorism police officers working in ports of travel in a European country to use when questioning people suspected of terrorism. The program is rated Effective. People interviewed by officers using the checklist reported a statistically significantly greater view of distributive justice, effectiveness of police, obligation to obey the law, and willingness to cooperate with the police, compared with people interviewed by control group officers.

This initiative involves proactive policing, enhanced enforcement, sentences for individuals who repeatedly offend, and collaboration among multiple stakeholders. The program’s goal is to reduce violent crime and gun violence. The program is rated Promising. The implementation of the program led to a statistically significant reduction in violent crime in the treatment group relative to the control group. However, there was no statistically significant impact on the rate of gun crimes.

This is a collaborative law enforcement effort to collect, manage, and analyze crime gun evidence to identify serial shooters, disrupt criminal activity, and prevent future gun violence. The program is rated Promising. Posttest gun crime cases saw statistically significant increases in the likelihood of arrest, but no statistically significant difference in the likelihood of being charged or convicted, compared with cases in the pretest period.

This was a system provider–level training for community mental health teams in the Netherlands to improve detection of and response to domestic violence and abuse in patients with mental illness. The program is rated No Effects. There was no statistically significant difference in the rate of detection or referral of current domestic violence and abuse for teams that received the intervention, compared with control teams that did not receive training, at the 12-month follow-up.

This intervention involves individuals under any form of supervision after release from incarceration in the state of Florida, with the goal of reducing their risks of recidivism. The program is rated Promising. There were statistically significant decreases in rearrest and reconviction rates for individuals under supervision, compared with those who did not receive supervision, at the 3-year follow-up.

This program used banners indicating that a cyber infrastructure was cared for and supervised to reduce crime in the cyber environment. The program is rated Promising. During a 90-day period, the treatment condition had statistically significant reductions in user activities during system trespassing sessions and the average number of commands typed into the attacked computer, and in the likelihood of system trespassers returning to the hacked environment, compared with a control condition.

This is a drug court program that provides treatment services to women on probation to reduce their risk of reoffending. The program gives preference to women who have higher need and risk profiles, are mothers, and have substance use problems. The program is rated Promising. Women in the treatment group were statistically significantly less likely to have a new conviction, compared with similar women on probation who did not participate in the program, at the 2-year follow-up.

This is a prosecutor-led pretrial diversion program to rehabilitate individuals convicted of misdemeanor or felony offenses who are at medium risk of reoffending. The program is rated No Effects. There were statistically significant reductions in cases dismissed for treatment group individuals, compared with control group individuals. However, there were no statistically significant differences in the 2-year rearrest rate or days to first rearrest.

This is a prosecutor-led pretrial diversion program to rehabilitate individuals with misdemeanor or felony offenses who are at low risk of reoffending. The program is rated Effective. There were statistically significant reductions in the rearrest rate, days to rearrest, and cases dismissed for treatment group individuals, compared with comparison group individuals, at the 2-year follow-up.

This strategy sought to reduce crime in Philadelphia by testing three different patrol strategies. The program is rated No Effects. Relative to control areas, there was no statistically significant difference in violent or property crimes in areas using one of two of the patrol strategies. Property crimes in an area using one of the strategies saw a statistically significant decrease, while there was a statistically significant increase in violent crime in areas using two of the strategies.

This is a police substation operating within a business improvement district in Newark (N.J.) with the goal of reducing crime in the target area. The program is rated Promising. There were statistically significant reductions in burglary and motor vehicle theft in the treated area compared with a control area over the entire 6-year postintervention period. There were no statistically significant differences in robbery, aggravated assault, or theft from auto.

This program equips police with on-officer cameras to record contacts with civilians during intimate-partner violence incidents. The program is rated Promising. Camera use was statistically significantly more likely to result in arrests, charges filed, cases furthered, and both guilty pleas and verdicts. There was no statistically significant difference in sentence length. However, there was a statistically significantly greater reduction in case processing time in cases not involving a camera.

This program equips police with on-officer cameras to record contacts with civilians. The program is rated Promising. Body-worn camera use resulted in statistically significant decreases in citizen complaints, and there were mixed results regarding camera use on arrest rates. There were no statistically significant differences in citizen resistance. There was a statistically significant increase in use of force, and less proactive, officer-initiated contact.

This is a policy reform passed by California voters to downgrade drug and property offenses from felonies to misdemeanors, to focus prison resources on the most-serious violent offenses, reinvest savings toward prevention, and reduce recidivism. The program is rated Promising. In an evaluation of recidivism, the intervention group had statistically significantly fewer rearrests and reconvictions for any crime or revocation, compared with the control group, at the 1-year follow-up.

This was an intervention to reduce crime and delinquency in urban areas by remediating vacant land. The program is rated Promising. Compared with the control area, treatment areas experienced statistically significant reductions in gun assaults, burglary, nuisances, shootings (overall and per kilometer), and all crimes overall. However, the intervention showed mixed results with regard to drug offense rates and no statistically significant effect on robbery/theft rates.

This is a drunk driving prevention initiative that seeks to reduce alcohol-involved crash fatalities by requiring the installation of ignition interlock devices on vehicles of all drivers convicted of driving under the influence. The program is rated Promising. Intervention states with a statewide ignition interlock requirement had a 15 percent decrease in alcohol-involved vehicle crash fatalities, compared with control states. This was a statistically significant difference.

This was a sexual assault prevention program adapted for American Indian girls that sought to reduce sexual assault victimization and to improve sexual assault resistance skills and self-defense knowledge. The program is rated Promising. Girls who received the intervention reported statistically significantly lower rates of sexual assault and sexual harassment, compared with girls in the comparison group. However, there was no impact on reported rates of physical dating violence.

This program combines deterrence and rehabilitation methods to reduce recidivism of persons convicted of operating while intoxicated (OWI) offenses. Services include intensive supervision, educational programming, and treatment options. The program is rated Promising. The treatment group had statistically significantly fewer convictions, incarcerations, and subsequent days incarcerated, compared with the comparison group. There were no statistically significant differences in OWI recidivism.

This is a client-centered counseling approach implemented as a job-training intervention for parole officers in Colorado. The intervention seeks to enhance parole officers’ communication skills to promote motivation for change and reduce recidivism among supervised people on probation. The program is rated Promising. People on probation in the intervention group showed a statistically significant reduction in recidivism outcomes, compared with people on probation in the comparison group.

This was a program for college women who engaged in heavy episodic drinking to provide feedback on their risk perception and resistance to reduce sexual assault. The program is rated No Effects. Program participants did not statistically significantly differ from those in the control group on measures of incapacitated attempted/completed rape frequency, alcohol-related sexual assault incidents/severity, or use of sexual assault protective behavioral strategies at the 3-month follow-up.

This is an alternative-to-incarceration program designed to respond swiftly with sanctions to probation violations of those at high-risk of re-offending. The overall goal is to reduce participants’ recidivism rates. The program is rated Promising. Participants had statistically significant reduction in recidivism rates (overall, misdemeanor, felony, property, drug/alcohol, and other) compared with the comparison group, but there was no statistically significant effects on violent recidivism.

This secondary violence prevention program targets young men most likely to commit or be victim of gang or gun crime to reduce their incarceration and victimization from violent crime. The program is rated Promising. SSYI youths were statistically significantly less likely to be incarcerated compared with comparison group youths. SSYI–funded cities had statistically significant reductions in all measured city-level crime victimization rates, compared with comparison cities.

This is an enhanced day reporting center designed to reduce the risk of recidivism in people on probation with mental illnesses. It provides services such as substance abuse treatment and crisis intervention. The program is rated Promising. Treatment group individuals had a statistically significantly lower risk of conviction for any offense, compared with control group participants on standard probation. However, there was no statistically significant effect on the risk of conviction for a felo

This is a cognitive–behavioral intervention that seeks to reduce recidivism in people leaving secure confinement by addressing antisocial attitudes and decisionmaking. The program is designed for adult medium- and high-risk individuals. The program is rated Promising. Treatment group people were statistically significantly less likely to recidivate, compared with control group participants, during parole supervision.

This is a home-visiting program for first-time mothers in high-risk families that promotes positive parenting to prevent child maltreatment and out-of-home placements. The program is rated No Effects. Treatment group families had a statistically significant lower number of substantiated child maltreatment and neglect cases, compared with the comparison group, but there was no statistically significant effect on out-of-home placements, and substantiated physical abuse.

This is a summer jobs program in Chicago, Ill., which seeks to reduce youth violence by providing high-risk students (grades 8–12) with part-time summer employment and access to an adult job mentor. The program is rated No Effects. There were no statistically significant differences between the treatment group and the control group in violent crime arrests, property crime arrests, drug arrests, or other arrests.

This is a responsive intervention that seeks to reduce severe aggressive behaviors of incarcerated youth at a juvenile justice institution in the Netherlands. The program is rated Promising. Intervention group youth, compared with treatment-as-usual group youth, had statistically significant higher aggression-related skills, lower cognitive distortions (such as how youth think about aggression), and a lower recidivism risk for violent and general offenses at the 3-year follow up.

This is an online video program that seeks to promote and increase high school and college students’ efficacy in performing helpful bystander behavior in instances of relationship or sexual violence, to reduce sexual violence among young adults and adolescents. The program is rated Promising. The treatment group showed statistically significant increases in observed and self-reported bystander behavior and in efficacy to intervene, compared with the control group.

This is a program for moderate- and high-risk males accused of assaulting their intimate partners. The program is rated Promising. Compared with the comparison group, program participants had a statistically significant lower likelihood of being charged with any new domestic, property, or administrative offense and of having contact with the police. There was no statistically significant difference between groups on likelihood of being charged with a new violent offense.

This is a focused-deterrence group violence reduction strategy (GVRS) designed to reduce or control gun violence in Oakland, Calif. The program is rated Effective. The intervention was shown to reduce total shootings, gang-involved shootings, suspected gang-involved shootings, and gang shooting victimizations in treatment block groups relative to matched comparison block groups. These differences were all statistically significant.

This is a community-based program for adult males who received substance abuse treatment while incarcerated and are reentering the community. The goals are to reduce recidivism, substance abuse, and HIV/hepatitis infection rates, and promote fatherhood and relationship skills. This program is rated Promising. Program participants had a statistically significant lower likelihood of recidivating and demonstrated an increase in relationship skills, compared with the comparison group members.

This is a model that uses a conceptual plan and organizational framework to strengthen collaborations between child welfare and juvenile justice system professionals and partners to prevent or reduce youths’ involvement in the juvenile justice system or related systems of care. The program is rated Promising. Treatment group youth showed a statistically significant reduction in recidivism rates, compared with youth in the comparison groups.

This is a court-mandated, post-conviction intervention for males at high-risk for perpetrating family violence. The program is designed to decrease family violence through cognitive–behavioral approaches. The program is rated Promising. There was a statistically significant lower likelihood of arrest for any offense for participants, compared with the control group. However, there were no statistically significant differences found between the groups in family violence arrests.

This is a cognitive–behavioral, trauma-informed group intervention that is designed to prevent relationship conflict and intimate partner violence (IPV) among military couples. The program is rated Promising. There were statistically significant reductions in physical and psychological IPV for the treatment group, compared with the control group.

This is a home-visitation program that aims to prevent and address factors associated with child abuse and neglect. The program is rated Promising. Parents in the SafeCare group demonstrated statistically significant decreases in depression symptoms and risk of child protective services recidivism, compared with parents in the control group. However, there were no statistically significant differences in the risk of child physical abuse among a sample of American Indian parents.

This program is a dating abuse intervention for youth, ages 15-19, which uses motivational interviewing with the goal of changing self-reported dating abuse perpetration. The program is rated No Effects. There were no statistically significant differences found between the intervention and control groups in any self-reported dating abuse perpetration, including physical, sexual, psychological, and cyber abuse, at the 6-month follow up.

This is a community supervision strategy that includes swift, certain, and fair responses to probation violations. The program is rated No Effects. The treatment group had a statistically significant lower likelihood of having a positive drug test at the 12-month follow-up, but a statistically significant greater number of probation violations, compared with the control group. There were no statistically significant effects on recidivism (any arrest) or new convictions.

This is a diversion program intended to reduce juvenile recidivism by treating youths in the community in place of incarceration. This program is rated as Promising. Youths in the treatment group were statistically significantly less likely to be incarcerated during the 1-year follow-up, compared with youths in the control group.

This program is designed to assist incarcerated male veterans of the U.S. military by providing them with in-custody treatment, services, and linkage to rehabilitative programming and community resources and reduce their chances of recidivism. The program is rated Promising. Results showed a statistically significant reduction in recidivism for program participants during the 12-month follow-up period, compared with the comparison group.

Prison visitation allows individuals housed in Minnesota facilities to be visited by family, friends, and other approved persons. The program is rated Promising. Individuals visited at least once during their confinement had statistically significant lower risks of reconvictions and technical violation revocations compared with those who were never visited. Those who were visited specifically by community volunteers also had statistically significantly lower risks of recidivism compared with the

This individual and group mentoring intervention was designed to improve transition outcomes for foster youth by increasing their self-determination skills. The program is rated No Effects. There were no statistically significant differences between program participants and the comparison group in number of arrests or convictions, charge severity, range of punitive system involvement, comprehensive criminal justice involvement, delinquency, dropping out of high school, or homelessness.

This is a group mentoring program that seeks to reduce recidivism of youth on probation in New York City, using an interactive journaling curriculum based on cognitive-behavioral principles. The program is rated No Effects. Program participants showed a statistically significant reduction in felony reconvictions, compared with comparison group youth at 24 months; however, there were no statistically significant differences on arrests, felony arrests, or reconvictions.

This is an intervention designed to prevent future criminal activity among system-involved youth through using short-term, high-intensity relationships with paid mentors, referred to as Advocates. The program is rated Promising. Program participants showed statistically significant improvement in educational engagement and reductions in serious dispositions, compared with a comparison group.

This program is a cognitive-behavioral, trauma-informed group therapy program for active-duty or former military personnel who have engaged in recent physical intimate partner violence (IPV). The program is rated Promising. There were statistically significant reductions in physical and psychological IPV for the SAH-M treatment group, compared with the control group.

This police-led program was designed to reduce gun crime and serious violence in the Wells Goodfellow neighborhood in St. Louis, Missouri. The program is rated No Effects. The intervention did not have a statistically significant effect on gun violence or total violence trends in the target neighborhood compared with the average trends of seven matched comparison neighborhoods across the city.

This is a program designed to reduce recidivism and improve employment rates through reentry services for individuals who have a moderate-to-high risk for reoffending. The program is rated No Effects. At the 30-month follow up, there were no statistically significant differences in rearrest, reconviction, reincarceration, or employment rates between program participants and control group members.

This is a prosecutor-led diversion program for nonviolent defendants, which is designed to decrease the number of convictions and reduce recidivism while improving administrative efficiency and cost effectiveness. The program is rated No Effects. The program had a statistically significant effect on reducing the likelihood of conviction, but there was no statistically significant effect on recidivism for program participants, compared with comparison participants.

This is a home-visiting program for youth on probation who are considered at high risk of recidivism. The program is rated No Effects. Compared with the treatment group, the control group was more likely to have completed probation, less likely to have probation revoked due to a technical violation, and committed fewer new crimes during probation; however, they recidivated sooner. There were no differences in the probation revocations due to severity of a new crime.

The program is designed to reduce theft of high-loss products using protective display fixtures. By increasing the effort and time needed to execute a theft, this fixture increases the perceived risk of theft detection while reducing their perception of the potential rewards of stealing a product. This program is rated Promising. The program showed a statistically significant decrease in product loss in stores that used protective display fixtures compared with stores that did not.

The program is designed to reduce theft and accidental loss of high-loss products by both increasing attention paid to the product and reducing general access to the product. This program is rated Promising. The program showed a statistically significant decrease in product loss in stores that used special protective handling procedures compared with stores that did not.

This is a temporary outdoor street-lighting program designed to reduce nighttime crime in public housing developments experiencing elevated crime rates. The program is rated Promising. Installing additional light towers in treated developments resulted in statistically significant reductions in complaints of index crimes, felony crimes, assaults, homicides, and weapons crimes at night, compared with control developments. There were no statistically significant differences in misdemeanor crimes.

This program relies on hot spots policing strategies to prevent thefts from vehicles and residential burglaries in “micro-time” hot spots in Port St. Lucie, Florida. The program is rated Effective. There was a statistically significant reduction in thefts from vehicles and residential burglaries in micro-time hot spots that received tactical police responses, compared with micro-time hot spots that received police patrol as usual.

This intervention was designed to increase the level of judicial oversight on participants convicted of misdemeanor crimes in the Parramatta Drug Court program. The program was rated Promising. Results indicated that participants under intensive judicial supervision had lower rates of positive drug tests, compared with the comparison group. This difference was statistically significant. However, there were no statistically significant differences in sanctions, program progression or termination.

This is a focused deterrence violence-reduction strategy. The goal was to lower the city’s exposure to violent crime, including reducing the numbers of homicides and aggravated assaults committed by chronic violent individuals operating within organized groups and other social networks. The program is rated No Effects. Two years postimplementation, there was no statistically significant impact on homicides, group-member-involved homicides, and aggravated assaults.

The program provides more restrictive community supervision to individuals at higher risk of committing serious crimes. The program is rated No Effects. Individuals on ISP showed no difference in offending, by first new offense or offense type, from those on standard probation. However, there was a statistically significant greater likelihood for the ISP treatment group to have absconded, been incarcerated, and had hearings for technical violations, compared with the control group.

This was a policing strategy designed to reduce the severity of intimate partner violence and the rearrests of males who had been previously arrested for, or had admitted to, a first domestic violence offense and received a conditional caution. The program is rated Promising. Results indicated a statistically significant reduction in frequency and prevalence of rearrests of persons assigned to the treatment group compared with those assigned to the control group.

An FBI-led, anti-gang strategy in Los Angeles, California, designed to reduce neighborhood-level violent crime through the identification, disruption, and dismantling of violent street gangs. This program is rated Effective. Results indicated a statistically significant 22 percent reduction per month in violent crime between the treatment areas and the comparison areas.

The program provides education, vocational training, and other youth-development services to low-income youths, ages 16–24, who have been convicted of a crime. The program is rated Promising. The program statistically significantly reduced recidivism and increased the likelihood of receiving a high school diploma, GED, trade license, or training certificate. However, there were no effects on enrollment in postsecondary courses, employment, or certain measures of youth development.

This is a policing strategy in which officers may stop and detain an individual if they have reasonable suspicion that the person is committing or about to commit a crime. The program is rated Promising. Significant effects were found on measures of non-traffic-related crime incidents in three of the five boroughs of New York City. A U.S. Federal Court ruled that stop, question, and frisks as implemented were unconstitutional and appointed a special monitor to institute substantive reforms.

This intervention was designed to prevent repeat and near-repeat burglaries. The program used a target-hardening, crime-prevention technique to reduce repeat victimization of the same households and neighbors within the same area. The program is rated No Effects. The program found no statistically significant difference in both burglaries and time-to-repeat victimization between households in the treatment group, compared with households in the control group.

This is a court-based, pretrial, GPS supervision intervention for defendants arrested for intimate partner violence offenses. The program is rated No Effects. Program participants showed no statistically significant reductions in risk of rearrests, domestic rearrests, or failure to appear in court. However, the program did show statistically significant reductions in defendants’ risk of failure to appear at meetings with pretrial services.

This is a parent-training program for parents who have gone through a recent marital separation and for their families. The program is rated Promising. The program was found to have a statistically significant effect on reducing measures of youths’ delinquency, arrests, and problem behaviors and improving measures of parenting skills. There was no effect, however, on parents’ use of appropriate discipline.

This is a group, motivational interviewing program for adolescents with a first-time alcohol or drug offense. The goal of the program is to prevent negative consequences of alcohol and other drug use. This program is rated No Effects. There were no statistically significant differences between the intervention and comparison groups on past month frequency of alcohol, heavy drinking, or marijuana use; alcohol or marijuana consequences; recidivism; delinquency; and alcohol and other drug use.

This is an adult reentry program designed to reduce recidivism among high-risk males who were previously released from a state prison but returned to prison for violating conditions of their supervised release. The program is rated Promising. The program was shown to have a statistically significant effect on reducing revocation and reconviction; however, it did not have a statistically significant effect on reducing rearrests and reincarceration.

This is a 4-week online training course for individuals working or planning to work with survivors of intimate partner violence. The course covers a wide range of topics for building a strong, violence against women program and is based on feminist intersectional principles and values. The program is rated Promising. There were statistically significant increases in the intervention group’s scores on knowledge and attitudes, compared with the wait-list comparison group.

This program is designed to deter street-level crime in Newark using closed-circuit cameras, hard-wired to physical structures, which are monitored in real time by CCTV operators. The program is rated No Effects. Results from one study showed no statistically significant differences in shootings, auto thefts, or thefts from autos. Results from a second study showed a statistically significant decrease in auto thefts but no statically significant difference in shootings or thefts from auto.

This is a criminal investigation method used by law enforcement to increase burglary arrest rates using statistically derived profiles of convicted persons. The intervention was implemented in one police department in Florida for use in active burglary investigations. The program was rated Effective. Results showed a statistically significant increase in burglary arrest rates for the police department that implemented the program.

This is a restorative justice program that uses face-to-face conferences to reduce posttraumatic stress symptoms (PTSS) among burglary/robbery victims and reconviction rates among those who committed the offense. The program is rated Promising. Results showed a statistically significant reduction in victims’ clinical levels of PTSS, but no statistically significant effect on reconviction rates among those who committed the offense.

This program provided gender-responsive services in two group homes for female youths who had been adjudicated in the delinquency (formal probation) or truancy divisions of juvenile court. The program is rated Promising. Results showed a statistically significant difference in that the girls who received gender-responsive services had lower recidivism rates after 2 years, compared with the comparison group.

These were community-based, substance abuse treatment programs for recently paroled, substance-dependent individuals. The primary aim of the programs was to treat participants’ substance abuse in the community while reducing their likelihood of reoffending. The program is rated Promising. Program participants were less likely to be convicted of a new crime, when compared with the community comparison group; this was a statistically significant difference.

Implemented by the Georgia Board of Pardons and Paroles, this is a cognitive–behavioral program for male parolees that aims to build psychosocial skills in areas such as self-control, interpersonal problem-solving, and critical reasoning. The program is rated No Effects. The authors found no statistically significant effect of program participation on recidivism and employment measures.

This allows individuals to be released early from a prison in New Jersey and complete the remainder of their sentences under supervision, with the goal of reducing recidivism. The program is rated Promising. The treatment group released early from prison had statistically significantly lower rates of reconviction, number of days until reconviction, re-arrests, and days to re-arrest, compared with those who had completed their entire sentences and were unconditionally released to the community.

The program is targeted at individuals whose mental illnesses are seen as instrumental in their offenses, and who are likely to qualify for and benefit from publicly supported treatment in the community. The overall goal is to reduce recidivism . The program is rated Effective. Participants in the program were less likely to be convicted of any new offense and convicted of felony offenses, compared with the matched comparison group. The difference was statistically significant.

This program was designed to help individuals make a successful transition from prison to the community through provision of stable housing and support to obtain employment. The program is rated Promising. Program participants had a statistically significant decrease in rearrest, reconviction, and reincarceration rates, and an improvement in employment and number of hours worked. However, participants also had a statistically significant higher likelihood of revocations for technical violations.

This program was designed to assist justice-involved young adults (ages 18 to 22) in obtaining postrelease employment. It involved an integrated system of vocational training and reentry services to reduce the rate of rearrest after release. This program is rated No Effects. Results suggest there were no statistically significant differences in measures of recidivism and employment between young adults who participated in the program, compared with those who did not participate.

A warning banner was presented to unauthorized computer system trespassers each time a computer system was illegally infiltrated, to deter further engagement with the attacked computer system and to prevent subsequent infiltration. The program is rated No Effects. Across multiple studies, results showed that the intervention did not deter trespassers from engaging with the computer system; however, there was a small, statistically significant effect on the duration of trespassing incidents.

This treatment program aims to reduce recidivism among youths convicted of violent offenses and capital crimes (such as murder) in one southern state. The program offers six months of intensive, therapeutic treatment to juveniles in a residential facility before they are released. The program is rated Promising. Results showed a statistically significant difference in reduced recidivism rates for juveniles who participated in the program, compared with those who did not participate.

This program linked incarcerated persons who had disabilities and were at risk for homelessness to supportive housing upon their release from prison. The goal was to reduce recidivism, homelessness, and multiple systems use. The program is rated Promising. The program was shown to statistically significantly reduce the probability of rearrest (but not re-incarceration) and length of time from release to rearrest; however, treatment group participants were rearrested more frequently.

This was a registration requirement targeting individuals convicted of sex offenses and other crimes against children. The federal legislation required the registration of people released after serving time for a sex offense, including name, address, sex crime committed, and a photograph. The program is rated No Effects. The program did not statistically significantly reduce sex-crime rates.

Under a 2003 Washington State law, incarcerated individuals who had committed certain nonviolent offenses were able to acquire earlier release time of up to 50 percent of their maximum sentence. The program is rated Promising. Individuals who were released early under the law had a statistically significant lower rate of felony convictions, compared with individuals who were not released early; however, there was no statistically significant difference on violent convictions.

This reentry program allows individuals who are nearing the end of their custodial sentences to work regular jobs in the community. The program is based in work release centers in participants’ counties of residence in Florida. The program is rated as Promising. The program was found to have a statistically significant effect on reducing reconvictions of participants and increasing their employment and quarterly earnings post-release.

This program offered postsecondary education for incarcerated individuals to reduce or break the cycle of continued or repeated criminal behavior. The program is rated Promising. Participants in the program had a statistically significant lower rate of arrests for a new crime than comparison group members.

This program involves social support integrated with regular drug testing for recently paroled individuals who have a history of heroin and cocaine abuse. The program is rated Promising. Program participants had a statistically significant lower rate of reconviction, arrest, and incarceration, compared with the comparison group; however, there were no statistically significant effects on employment. Program participants also had a statistically significant higher positive drug-testing rate.

This is a reentry program designed to reduce recidivism and increase reentry services for males, ages 13 to 18, who have committed offenses and are placed in a locked, residential treatment facility. The program is rated Promising. The program was shown to statistically significantly decrease recidivism rates among youths who participated in the program, compared with youths who received services as usual.

This was a mentoring program in which high school juniors had regularly scheduled one-on-one contacts with trained college advisors to increase college attendance rates. The program is rated No Effects. The program was shown to have small positive effects on enrollment rates and number of months enrolled in California State University and University of California campuses, but did not have statistically significant effects on 2-year, 4-year, or overall college enrollment or months of attendance.

This is an educational, skills-based workshop for first-year female college students. The program is designed to teach young women how to assess risk, overcome barriers in acknowledging danger, and engage in self-defense to reduce the risk of sexual assault. The program is rated Effective. The program showed a statistically significant reduction in the risk of completed and attempted rape, nonconsensual sexual acts, and attempted coercion. There was no impact on the risk of attempted coercion.

This inpatient program provides group and individual therapy to those who have committed sexual offenses and have recently been released from prison in Ontario, Canada. The program is rated No Effects. There was no significant difference in sexual recidivism rates between the treatment group and the comparison group.

The program, established by Senate Bill 618, aimed to educate and rehabilitate incarcerated individuals who committed nonviolent felony offenses in an effort to reduce recidivism and revocations to prison. The program is rated No Effects. There was a statistically significant impact on program participants’ rates of rearrest. However, there were no statistically significant differences on reconviction and return to prison rates between program participants and those who were not in the program.

This program was designed to reduce relapse and criminal recidivism by providing comprehensive aftercare services to individuals convicted of felonies, with alcohol- and drug-related histories. The program is rated No Effects. There were no statistically significant program effects on rearrests, substance abuse relapse, or employment.

This program examined whether access to deployment data collected through technology impacted police commanders’ management of resources and led to reductions in crime. The program is rated No Effects. There was a statistically significant decrease in crime at the hot spot level. However, there were no significant differences in crime at the beat level, in consistency between patrols assigned and delivered per beat and per hot spot, or in number of hours of patrol on beats or in hot spots.

This intervention linked women who committed nonviolent offenses to community-based, substance use treatment after release from jail. It was designed to reduce recidivism and alcohol and drug use, and to promote long-term recovery. This program is rated No Effects. The treatment group had a statistically significant greater likelihood of participating in substance use treatment; however, there were no significant effects for recidivism, alcohol and drug use, or number of days spent in jail.

This was a residential treatment program that targeted individuals who committed multiple driving-under-the-influence (DUI) offenses. The program combined educational components with individualized treatment and therapy to address substance use. The program is rated Promising. The treatment group was statistically significantly less likely than the comparison group to be arrested for any new offense and specifically for a DUI offense, but not for committing an alcohol-related offense.

This program brings together inmates, their families, and other supporters to discuss inmates’ past experiences and future expectations in a mediated session. The session is designed to facilitate communication, understanding, and a plan for reentry to help inmates successfully transition into the community after release. The program is rated Promising. This program showed a statistically significant reduction in rearrest, reconviction, and return to prison for program participants.

This is a community notification program targeting people who have been released after serving time for sex offenses in Minnesota. This is a state response to the federal requirements of Megan’s Law and authorizes law enforcement to notify local communities about where people who have been released after serving time for sex offenses will be living. The program is rated Promising. The experimental notification group had lower recidivism rates for sexual crimes compared with the non-notification

This was an intensive, supervised release program for persons at high risk for reoffense and who were mandated to residential treatment upon release from prison. The program gradually reduced restrictions as the persons on parole transitioned back into the community. The program is rated No Effects. Results showed no statistically significant effects on recidivism measures, including rearrest, revocation for technical violations, reconviction, and days in prison.

This program provides residential aftercare services for those with substance abuse issues who have completed the 6-month Quehanna (PA) Motivational Boot Camp Program. The program is rated No Effects. An examination of the impact of both 30- and 90-day aftercare programs found no statistically significant effects of treatment of either dosage on recidivism.

This 6-month program aims to reduce recidivism by diverting eligible candidates from prison to a boot camp that promotes discipline, structure, and characteristics of good citizenship and seeks to improve skills for reentry into the community. The program is rated Promising. Boot camp participants had statistically significantly lower rates of recidivism (measured as both rearrest and reincarceration) compared with nonparticipants at the 3-year follow-up.

This is a reentry program designed to facilitate selected individuals’ transition from incarceration to community living by providing work opportunities outside of correctional facilities and less structured housing alternatives. The program is rated Promising. Program completers had statistically significantly lower recidivism rates, compared with comparison group members who did not participate in the program, at the 3-year follow-up period.

This is a post-custody, community-based intervention for individuals with co-occurring mental illness and substance use disorders. The program is rated No Effects. While the program statistically significantly reduced the number of reconvictions and incarcerations, it did not impact the number of arrests, days in jail, felony convictions, or percent of reconvictions.

The program is a component of the San Juan County (N.M.) DWI First Offenders Program, which was designed to reduce driving while intoxicated (DWI) recidivism, alcohol consumption, and drinking and driving behavior by exposing them to testimonials from victims of drunk-driving accidents. The program is rated No Effects. No statistically significant differences were found between VIP and no-VIP program participants on DWI recidivism over 2 years, and on various measures of drinking.

This is a psychological intervention for incarcerated males, which addresses the lifestyle concepts around crime, drug use, and gambling. The main objective of the program is to reduce recidivism through introducing program participants to lifestyle changes centering on the identification of conditions, choices, and cognition of crimes. The program is rated Promising. The program participants were statistically significantly less likely to be rearrested and reincarcerated during the follow up.

This is a prisoner-reentry employment program designed to reduce recidivism by helping participants find and retain employment after release from prison. The program is rated Promising. Participants had statistically significant lower rates of reconviction, rearrest, reincarceration, and revocations, and higher rates of employment and hours worked, compared with nonparticipants. However, there was no statistically significant difference between groups in hourly wage.

This program is designed to provide a lower cost alternative to emergency medical treatment for chronically ill individuals who have been recently released from prison. The program is rated No Effects. Treatment group participants had statistically significantly lower rates of emergency room use, compared with the control group. However, there was no impact on recidivism and primary care utilization.

This program is designed to improve behavioral and performance job skills, provide services and support, and help find job placements for participants leaving prison. The program is rated No Effects. The results showed that participation in transitional job services had no statistically significant impact on employment or recidivism over the 2-year follow-up.

This program is designed to increase active-bystander behaviors and reduce dating and sexual violence in college and high school students. The program is rated Promising. Students who participated in the program had a statistically significantly greater number of observed and self-reported active-bystander behaviors than students who did not participate. However, there was no statistically significant impact on sexual violence victimization or sexual harassment.

The program provides cognitive–behavioral treatment and relapse prevention to people who commit repetitive, compulsive sex offenses. Cognitive–behavioral treatments focus on reconstructing person’s cognitive distortions; relapse prevention focuses on pattern recognition and breaking the cycle of recommitting sex crimes. The program is rated Promising. The intervention participants showed a statistically significant lower likelihood of recidivating, compared with the general prison-population.

This program was designed to provide a community service alternative to short custodial sentences for inmates, with the goal of improving measures of recidivism (reconviction) and social integration (marriage/employment). This program is rated No Effects. There were no statistically significant, long-term effects on reconviction and social integration.

This was a two-phase reentry program with an overall goal of reducing recidivism and improving incarcerated persons’ transition into the community. Phase 1 provided incarcerated persons with in-jail programming and services to prepare them for release. Phase 2 provided them with up to 12 months of supportive services in the community. The program was rated Effective. Program participants had a 10 percent chance of rearrest, compared with a 34 percent chance for the comparison group.

This is a crisis-response program in which police connect female victims of intimate partner violence with a social service provider, via telephone, at the scene of a domestic violence dispute. The program is rated Promising. When compared with the control group, program participants reported experiencing less violence at follow up. Participants were also more likely to receive an order of protection, and to contact domestic violence services. These differences were statistically significant.

This was a mandatory jail reentry program with an overall goal of reducing recidivism and improving incarcerated persons’ transition into the community. The program connected incarcerated persons to Reentry Probation Officers to help with pre-release reentry planning and continued supervision following release. The program was rated No Effects. No statistically significant differences were found between program participants and the comparison group on probation violations and probability of rear

This is a post-sentencing, driving-while-intoxicated (DWI) court intended to guide individuals identified as drug- or alcohol-addicted into treatment, which is designed to reduce criminal behavior and recidivism, enhance public safety, and enhance the well-being of program participants. This program is rated Promising. Results suggest that after 2 years, DWI court graduates and participants were statistically significantly less likely to be rearrested than non-DWI court participants.

This focused deterrence strategy in New Orleans, Louisiana, aims to reduce gang violence and homicide. The program is rated Effective. There were statistically significant reductions found in overall homicide, firearm-related homicide, gang member-involved homicide, and firearm assault from the pretest to the posttest period. Further, New Orleans showed significantly decreased homicide rates after the program was implemented, compared with 14 cities with similar violent crime rates.

This was a case management program implemented in seven different correctional institutions across Minnesota. The program connected caseworkers in prisons with supervision agents in the communities to which participants return upon release from prison. The program is rated Promising. It statistically significantly reduced recidivism as measured by rearrest, reconviction, technical violation revocation, and reincarceration for any reason, but had no impact on new offense reincarceration.

In 2005, the city of Jacksonville, Florida passed an ordinance that required persons convicted of sex offenses to reside more than 2,500 feet away from any place where children congregate. The goal was to reduce sex crimes, especially those committed against children. However, the city residence restriction law was later deemed unconstitutional in 2007. The program is rated No Effects. The residence restriction had no statistically significant impact on their rates of rearrests for sex crimes.

This experiment assessed the impact of two hot spots policing tactics on firearm violence. The program is rated Promising. Compared with comparison hot spots, hot spots that received self-initiated enforcement experienced a statistically significant reduction in firearm assault rates, but there were no statistically significant differences for hot spots that received directed patrol. There was no statistically significant effect on firearm robbery rates between treatment and comparison hot spots

This is a pre-booking, community-based diversion program designed to divert those suspected of low-level drug and prostitution offenses away from jail and prosecution and into case management and other supportive services. The program is rated Promising. The intervention group had a statistically significant lower likelihood of having been rearrested, compared with the control group. However, there was no statistically significant impact on non-warrant rearrests.

Using comprehensive assessments, the program identified, provided, and coordinated individualized services for high-risk, drug-involved, justice-involved juveniles. This program is rated Effective. Results suggest that JBTC participants were significantly less likely to recidivate and had statistically significantly fewer arrests, compared with non-JBTC participants. However, the impact on self-reported drug use was mixed.

This is a law-enforcement model in which both location-based crime and automobile crash data is analyzed to determine where such incidents disproportionately occur (“hot spots”) and to employ targeted traffic enforcement strategies. The program is rated Promising. The areas of targeted enforcement experienced statistically significant declines in robberies, burglaries, and traffic crashes.

This is a program for adolescent females with a history of violence/abuse and involvement in the child welfare system. The goal of the program was to reduce re-victimization in teen dating situations. The program used mindfulness-based, cognitive interventions to build skills for responding to risky situations (including reasoning and problem solving). The program is rated Promising. The intervention was shown to statistically significantly reduce sexual and physical re-victimization.

This is a 12-session program for adolescent females with a history of exposure to violence/abuse and involvement in the child welfare system. The goal of the program was to reduce re-victimization in teen dating situations. The program used a health-promotion approach to help girls develop healthy relationships. The program is rated Promising. The intervention had a statistically significant impact on reducing physical re-victimization, but not sexual re-victimization.

This is a problem-solving court program that seeks to divert mentally ill adults who committed misdemeanor and felony offenses out of the justice system and into treatment to address their mental health issues and reduce their risk of recidivism. The program is rated No Effects. There was no statistically significant effect on rearrests or reconvictions for treatment group participants, compared with similar individuals with a mental disorder in jail, at the 30-month follow-up.

This was a community-based prevention program that targeted youth at risk of becoming involved in abusive relationships. The program was rated Promising. Treatment group youth demonstrated statistically significant reductions in physical abuse perpetration and trauma symptoms and a lower likelihood of emotional abuse and threatening behavior victimization, compared with control group youth. However, there were no differences between groups in threatening behavior perpetration or hostility.

This strategy is aimed at reducing crime at violent-crime hot spots in Philadelphia, Pa., through police foot patrols. It involved having veteran officers patrol areas (an average of 3 miles of streets) during one shift per day. This program is rated No Effects. Relative to the control areas, increasing foot patrols at violent-crime hot spots had no statistically significant impact on violent crimes, violent felonies, or citizens’ perceptions of crime and safety.

This is a diversion program in which juveniles ages 13–18, who have committed non-violent offenses, study works of literature and classic virtue theory in small groups, led by trained volunteer mentors. The goal is to foster moral development and reduce recidivism. The program is rated Promising. Participants had a statistically significantly lower chance of being prosecuted for any offense (including misdemeanors and felonies) and fewer arrests than the comparison group.

This is a problem-solving community court that seeks to prevent crime. One component of the program, the Criminal Court, hears misdemeanor cases and seeks to provide quick and meaningful sanctions to defendants in the Red Hook neighborhood of Brooklyn, New York. The program was rated Promising. The program had a statistically significant impact on recidivism rates for defendants.

The program engages persons incarcerated in state prison in private sector jobs (which pay minimum wage or higher), in an effort to increase post-release employment and reduce recidivism. The program is rated Promising. Compared with those who worked in traditional prison industries and participated in other activities such as education and drug treatment, treatment group participants showed a statistically significant increase in post-release employment and a decrease in recidivism rates.

This program provides court-supervised, community-based outpatient drug treatment and case management services to persons convicted of a felony drug offense. The goals are to increase accountability, decrease the likelihood of recidivism, and reduce drug dependency. The program is rated Promising. Treatment group participants showed a statistically significant lower likelihood of recidivating, compared with comparison group participants who were placed on probation.

This is a proactive, hot spots policing tactic that focuses attention on people who have been convicted of violent offenses operating in neighborhoods with high violent-crime rates. The program is rated Effective. Hot spots that received the treatment reported statistically significantly fewer violent crimes and violent felonies relative to the control areas. However, citizens’ perceptions of crime and safety were not impacted by the intervention.

This program is designed to reduce recidivism by placing released those convicted of offenses in halfway houses and community-based correctional facilities in Ohio, to provide a range of programming related to chemical dependency, education, employment, and family relationships. The program is rated Promising. Participants in the treatment group had a statistically significant lower number of new arrests and reincarcerations, compared with those in the comparison group, at the 2-year follow up.

This program is a multi-agency initiative to reduce gun violence in large cities through enhanced enforcement and deterrence. The program is rated Promising. Cities that received the program experienced a statistically significant reduction in violent crime, compared with control cities, between 2000 and 2006.

The program targets persons on parole with mental health problems and provides services to enhance their level of individual functioning in the community. The overall goal is to reduce recidivism of mentally ill persons on parole and improve public safety. The program is rated Promising. Persons on parole who participated in the program showed a statistically significant reduction in the odds of being returned to custody.

In this program, new supervision protocols for substance abuse, joblessness, and chronic violators were created based on data gathered on the behavior of the paroled person and parole officer responses. The program is rated No Effects. There was no significant impact on overall arrests or measures of recidivism. In fact, the treatment group had significantly more arrests for a new misdemeanor offense than the comparison group.

This is a sexual assault risk-reduction program that is designed to teach college women bystanders about sexual assault, characteristics of men who perpetrate the crime, and how to intervene. The program is rated Promising. Experimental group participants demonstrated statistically significant increases in their ability and willingness to intervene, compared with control group participants. However, there was no statistically significant impact on rape myth acceptance.

This program consisted of a multi-agency partnership to prevent violence and reduce violence-related emergency room admissions in Cardiff, Wales. The program is rated Promising. The program showed a statistically significant reduction in the rates of total assaults, wounding assaults, and hospital admissions related to violence, compared with the comparison sites. However, there were no statistically significant differences between Cardiff and the comparison sites in the rate of common assaults.

This program was implemented in three midsized cities near the Los Angeles, California area, with the goal of examining effects on residents’ fear of crime, perceptions of collective efficacy and police legitimacy, and actual and perceived levels of crime and disorder. The program is rated No Effects. Findings revealed no statistically significant impacts on any of the dependent variables, suggesting no indication of either beneficial effects or “backfire” effects in targeted areas.

Formerly called the Dangerous Mentally Ill Offender Program, this is a reentry-planning and service program aimed at reducing recidivism for dangerously mentally ill people in Washington State. The program is rated Promising. Program participants had statistically significantly lower violent felony and overall felony recidivism rates compared with the matched control group 4 years following release from prison.

This is a cognitive therapeutic program that is intended to assist female victims of sexual assault with posttraumatic stress disorder (PTSD). The overall goal is to restructure unbalanced thoughts directly related to the trauma. The program is rated Effective. Women in the treatment group demonstrated reduced symptoms of both PTSD and depression, compared with women in the control group. These differences were statistically significant.

This program is an alternative to incarceration for felons with substance abuse problems. In lieu of confinement, they must successfully complete a residential, chemical-dependency treatment program in the community. The program is rated Promising. Residential DOSA was shown to statistically significantly reduce overall recidivism rates compared with prison-based DOSA.

This program is a problem-solving court that is part of a unified “one family-one judge” model, which means all criminal, family, and matrimonial cases involving the same family are handled by one judge. This program is rated No Effects. There were no statistically significant differences in re-arrests and conviction rates when comparing the IDV court cases with traditional family court cases.

The program is a problem-solving court that operate a specialized caseload for domestic violence-related cases only, and for which eligibility is determined on a case-by-case basis. Criminal domestic violence courts tend to be more common throughout the U.S. The program is rated No Effects. The criminal domestic violence courts in New York statistically significantly reduced case-processing time, but there was no statistically significant impact on recidivism.

This program was an experiment that was conducted to examine the efficacy of alternative methods of instant drug testing, and to determine how the different methods affected rates of relapse and recidivism of parolees with substance abuse issues. The program is rated Promising. The treatment group experienced a statistically significant decrease in rates of relapse, but no statistically significant difference in recidivism, compared with the control group.

This is a training program for juvenile justice probation/parole case managers (PCMs), to promote their use of evidence-based practices to identify the mental health and substance use needs of delinquent youth and increase youth’s access to services. The program is rated Promising. There were statistically significant reductions in re-referral and placement rates for youth whose PCMs received the enhanced training, compared with youth whose PCMs received the standard training or no training.

Visitation in prison allows incarcerated persons to connect to the outside world by developing social bonds with family members and friends. The overall goal of in-prison visitation is to reduce recidivism and assist in helping incarcerated persons adjust to transitioning back into their community. The program is rated Promising. The recidivism rate was statistically significantly lower for incarcerated persons who received visitation compared with those who did not receive visitation.

A crime reduction strategy in Richmond, Virginia implemented to deter former and persons with the potential to commit a crime from carrying and using firearms, with an overall goal of reducing firearm-related homicides. The project is rated Promising. Firearm-related homicides decreased significantly in the target area, compared with other U.S. cities where the program was not implemented.

This is a housing mobility demonstration program intended to help move families from high-poverty public housing to low-poverty private housing to improve their lives. This program is rated No Effects. The program was shown to have no statistically significant long-term effects on violent, property, drug, or general crime arrests.

A crime focused initiative, designed to address gang-related gun homicides in selected cities. The initiative involved a comprehensive model of suppression (enforcement), prevention, and reentry. The program is rated Promising. There was a significant reduction in gun homicides related to gang crime in cities that implemented the initiative.

The program is a preventative, group-based training intervention for parents and kindergarten teachers of young children with externalizing problem behaviors. The program seeks to reduce problem behaviors and ultimately prevent delinquency later in life. The program is rated Promising. Treatment group mothers and teachers reported statistically significantly fewer child problem behaviors, compared with the control group. However, there was no effect of observer-rated problem behaviors.

This is a rape prevention program for college students, designed to teach about the prevalence of sexual assault, distinguish between rape myths and facts, identify risky situations, and teach techniques to use in a risky situation. The program was rated No Effects. The program had a statistically significant effect on self-efficacy and self-protective dating behaviors, but did not impact sexual victimization, sexual aggression, attitudes toward women, rape empathy, or sexual communication.

This program consisted of a comprehensive, neighborhood-based, family-focused service delivery model that employed wraparound services and case management for justice-involved families with identified substance abuse problems. The program is rated Promising. Treatment group youth had a statistically significant decrease in noninstitutional and institutional out-of-home placements, compared with comparison group youth. However, there was no statistically significant difference in recidivism.

This program seeks to reduce the recidivism of persons previously convicted of driving while under the influence of alcohol (DUI) through intensive testing and monitoring of drug and alcohol consumption. The main goal is to encourage sobriety of convicted persons 24 hours per day, 7 days per week. The program is rated Promising. The program led to a statistically significant reduction in repeat DUI and domestic violence arrests, but did not impact first-time DUI arrests or traffic crashes.

A problem-oriented policing strategy that aims to combat drug markets and the problems associated with them, in a high- crime neighborhood, through a deterrence-based, pulling levers framework. The program is rated Promising. The program was shown to significantly reduce nonviolent offenses in the target area, but not violent offenses.

A health education program for 7th and 8th graders designed to delay sexual behavior and promote healthy dating relationships. The program is rated Promising. The program was shown to statistically significantly reduce emotional and physical dating violence victimization. However, the program did not have a statistically significant effect on physical perpetration of dating violence.

This is a problem-solving community court that seeks to prevent crime. One component of the program, the Family Court, hears juvenile delinquency cases involving youth aged 15 or younger, with the goal of responding to the specific needs of youth in the Red Hook neighborhood of Brooklyn, New York. The program was rated No Effects. The program had no significant effect on recidivism rates for juvenile defendants.

In Minnesota, bed shortages created an increase in the prison population in the first few years following 2000, resulting in eligible male inmates being transferred to a private prison facility to serve their time. The program was rated No Effects. Confinement in the private prison resulted in statistically significant increases in the risk of rearrest and reconviction. There was no statistically significant impact on reincarceration for a new offense or revocation for a technical violation.

Transfer of serious and violent juveniles from juvenile court to adult court based on criteria, such as age, seriousness of offense, and use of a deadly weapon. The program is rated No Effects. The preponderance of the evidence suggests that transferring juveniles to adult court had no impact on measures of arrests.

A Tax Compliance Experiment was conducted in Israel and sought to test whether taxpayer compliance could be increased by mailing two different types of letters to incorporated taxpayers: a deterrent letter or moral persuasion letter. The program is rated No Effects. There were no statistically significant differences between the corporate taxpayer treatment groups and the control group in the likelihood of paying taxes or the likelihood of accurately reporting tax deductions and gross sales.

This is a prison work crew program designed to increase the availability of affordable low-income housing while training inmates in construction-industry-specific occupational skills. The program is rated No Effects. The program had a statistically significant effect on participants’ likelihood of gaining employment in the construction field. However, there were no statistically significant effects on rearrests, reconvictions, and reincarceration.

This program incorporates contingency management protocols and multisystemic therapy into traditional juvenile drug court services to provide juveniles and families with additional engagement opportunities and support to reduce recidivism and substance abuse. The program is rated Promising. The program statistically significantly reduced alcohol and poly drug use, positive drug urine screens, status offenses, and property offenses. The program had mixed effects on marijuana use and offenses.

This is a juvenile drug court designed to reduce alcohol and other drug and delinquency offenses through an accountability framework. The program is rated Promising. Treatment group participants were statistically significantly less likely to recidivate in delinquency/criminal offenses, compared with the comparison group participants. However, there was no statistically significant effect on alcohol and other drug recidivism.

This program monitors and tracks the movement of those on parole categorized as high risk for gang involvement or activity. The program is rated Promising. They are monitored by the GPS program had statistically significantly less arrests for new offenses and violent offenses, compared with control group people on parole. However, treatment group participants had higher odds of technical violations.

A culturally focused, gender-specific program that provides young females, primarily Mexican American, alternatives to substance abuse and gang involvement. The program is rated Promising. The program significantly reduced self-reports of damaging property; stealing more than $50; and buying, selling, or holding stolen goods. However, it had no impact on self-esteem, grades in school, concealing of weapons, and stealing less than $50.

A prison-based drug treatment program based on the principles of therapeutic communities with the overall goal of reducing the risk of drug relapse and recidivism once they return to the community. The program is rated No Effects. The program did not significantly impact participants’ rates of rearrests or drug relapse, and only had a small effect on reincarceration rates.

A crime prevention strategy designed to reduce crime in Washington Metropolitan Area Transit Authority parking facilities through the introduction of digital cameras at the exits of the parking facilities to capture images of patrons’ license plates as they exited the facility. The program is rated as No Effects. Crime rates (including car-related, property, and violent crimes) remained at pre-camera levels in parking facilities.

An intensive residential program that provides training and services, including structured one-on-one mentoring, to at-risk youth (ages 16 to 18 years). This program is rated No Effects. The program had a statistically significant, positive impact on employment and GED attainment among participating youth as compared with control group youth. However, the program had no effect on youths’ frequency of arrests, marijuana or other illegal drug use, delinquent behavior, or psychological distress.

This was a multicomponent intervention to prevent delinquency and substance misuse for girls in foster care transitioning from elementary school to middle school. The program is rated Promising. Treatment group girls reported statistically significantly reduced tobacco use, marijuana use, and delinquent behavior, compared with control group girls. However, there was no statistically significant impact on alcohol use or association with delinquent peers.

This program aims to improve homicide clearance rates by increasing investigative time through the transfer of four crime scene specialists to the homicide unit. The program is rated No Effects. There were no statistically significant differences between treatment and comparison squads in case and victim clearance by arrest. There were also no statistically significant difference between squads in case and victim clearance by quick action and whodunit arrests, or quality of scene reports.

This is a diversion program for 16- and 17-year-old defendants in the New York state adult criminal justice system. The program is rated Promising. Similar rates of recidivism were found for participants and comparison group members, which suggests that diverting older adolescents does not increase the risk of recidivism and risk to the public.

A deterrence-based intervention that took place in four Quebec insurance companies aimed to deter residential theft insurance claimants from exaggerating the value of their claims. The program is rated Promising. The project resulted in a statistically significant reduction in claim padding compared to the control group.

A problem-oriented policing program that aims to eliminate overt drug markets and the problems associated with them through a deterrence-based, pulling-levers framework. The program is rated Effective. The Intervention had a statistically significant impact on reducing violent incidents in the target areas.

The Kansas State Senate Bill established a program that provided mandatory community-based drug treatment for nonviolent persons convicted of a preliminary offense for drug possession. The program is rated No Effects. There were no statistically significant differences at the 18-month follow-up for reconviction or revocation between defendants who received mandatory drug treatment and the unmatched comparison group of defendants who were sentenced to standard community corrections.

This program was designed to provide judicial monitoring of people convicted of domestic violence through frequent court appearances before a judge. The goal was to ensure compliance with program requirements and deter future violence and re-abuse of victims. The program is rated No Effects. There were no statistically significant differences between the intervention group and control group in rearrests, attendance at court-ordered programs, or completion of programs.

A program that attempts to reduce homicides and non-fatal shootings through a multidisciplinary and multiagency homicide review process. The program is rated Effective. There was a statistically significant, 52 percent, decrease, in the monthly count of homicides in the intervention districts.

This was a natural experiment to examine the impact of attorneys from the Defender Association of Philadelphia who represent indigent defenders. The program is rated Promising. Treatment group defendants were statistically significantly less likely to be found guilty of murder, and had shorter average sentences, compared with control group defendants represented by private counsel. There was no statistically significant effect on being found guilty of any charge or receiving a death sentence.

This is a multi-family group-based intervention targeting juveniles convicted for the first time. The goal is to help youth and their families find solutions to family conflict and poor decision-making that will prevent youth’s recidivism and improve personal and family well-being. The program is rated Promising. Intervention group youth showed a statistically significant lower likelihood of recidivating, compared with youth in the probation comparison group.

This is a school-based prevention program designed for high-risk students. The program is rated No Effects. There were no statistically significant differences between experimental group youth and control group youth in engagement in delinquency, alcohol use, smoking, GPA, anger, and school connectedness. There were also statistically significant negative program effects for experimental group youth in conventional peer bonding and peer high-risk behavior.

This program comprises a violence prevention curriculum, which is designed to assist youth in detention to overcome obstacles such as gangs, violence, crime, and substance abuse. The program is rated Effective. Treatment group youth who participated in the program had lower rates of recidivism and took a longer amount of time to recidivate, compared with control group youth, at the 1-year follow up. These differences were statistically significant.

These court supervised, post-plea (but pre-final disposition) drug diversion programs provide comprehensive community-based treatment services to juveniles convicted of an offense and their families. The program is rated Promising. The program had a statistically significant impact on recidivism.

This is a restorative justice program that provides juveniles who have been convicted of an offense and their victims the opportunity to meet face to face in the presence of a mediator to discuss the offense. The program is rated Promising. Individuals in the program were statistically significantly more likely to complete their restitution obligation. There was a statistically significant impact on victim satisfaction with the justice system, but there was no statistically significant impact on

This is a strengths-based, university-led program that diverts arrested youth from formal processing in the juvenile justice system and provides them with community-based services. The program is rated Effective. Participants in the program had statistically significant lower rates of official delinquency, compared with control group youth. However, there was no statistically significant difference between groups in self-reported delinquency.

This is a peer-mediation program designed to handle conflicts both in and out of school and to help maintain drug-free schools. The program is rated Promising. The treatment group had statistically significantly fewer assaults, expulsions, discipline referrals, absences, a greater improvement in self-efficacy, and statistically significantly improved in academic performance, compared with the control group.

This is a diversion program for young persons. The primary goal of the program is to reduce the occurrence of juvenile crime by diverting youth from the traditional juvenile justice system and providing an alternative to formal processing. The program is rated Promising. Treatment group youth were statistically significantly less likely to reoffend, compared with control group youth.

This is a school-based intervention designed to reduce violence and improve interpersonal behavior in youth. The program is rated Promising. Participants showed a statistically significant positive effect knowledge of psychosocial skills and fewer self-reported and teacher-reported behavior problems, disciplinary incidents, conflict mediation referrals, and suspensions, compared with the control group. However, there was no statistically significant effect on attitudes toward guns and violence.

This is a restorative justice program that uses conferencing to repair the harm. The program is rated Promising. Participants had a statistically significant lower likelihood of committing violent offenses, and a greater likelihood of reporting a belief in the law, negative attitude toward reoffending, and greater effort to not drive drunk, compared with the control group. There were mixed findings in the rate of drunk driving, and no difference in property crimes, shoplifting, or recidivism.

This program consists of a judicial intervention, which seeks to improve the prosecution of gang-related crimes. The program is rated Promising. Treatment group cases were associated with a statistically significant greater number of convictions and incarcerations of gang members, and a lower number of case dismissals and rejections, compared with control group cases. However, there was no statistically significant effect on the rate of pleas.

This program consists of the use of a vehicle-scanning device deployed by law enforcement to detect vehicles that have been reported stolen or missing. The program is rated No Effects. There were no statistically significant program effects on general crime, auto-related crime, vehicle-theft calls for service, or auto-theft.

This is a community-based program to reduce underage drinking and alcohol-related offenses. The program is rated Promising. Intervention sites reported statistically significant reductions in DUI and nighttime crashes, average drinking quantity and variance, police-reported assaults, and EMS calls involving assault and motor vehicle crashes, compared with control sites. There was no difference in ED assaults, police reports of public drunkenness, or EMS calls involving alcohol or other drugs.

This is an interactive journal designed to help incarcerated persons who have been screened or identified as having a potential substance use disorder to help inmates make the connection between their substance use and criminal activity. The program is rated Promising. The recidivism rate of inmates who participated in the program’s interactive journal intervention was statistically significantly lower compared with the control group.

This was a saturation foot-patrol initiative implemented in Newark, N.J., in 2008 that aimed to reduce violent crime. The program is rated Promising. The target area that implemented the initiative experienced statistically significant reductions in overall violence and incidences of aggravated assault and shootings, compared with the control area. However, there was no statistically significant effect on incidences of murder or robbery.

This is a school-based program designed to improve students’ school attitudes and reduce delinquency. The program is rated Promising. The program showed a statistically significant positive effect on participants’ attainment of higher rates of supportive behavior and spontaneous prosocial behavior, compared with students who did not participate. There were no statistically significant effects on negative behavior, harmoniousness, substance/alcohol use, property damage, theft, or victimization.

This is a juvenile court-based program designed to address the needs of people on probation who have emotional and behavioral disorders and the needs of their families. The approach is meant to be an integrated, seamless, coordinated system of care for children with mental health problems. The program is rated Promising. The intervention youth were statistically significantly less likely to recidivate, commit a felony offense or serve time in detention, compared with comparison youth.

This is a place-based, problem-oriented policing strategy implemented by the Boston (Mass.) Police Department in response to a sudden increase in violent index crimes. The program is rated Promising. Treatment street units experienced statistically significant reductions in total violent index crime, robbery, and aggravated assault, compared with control street units. However, there was no statistically significant effect on incidents of homicide or rape/sexual assault.

This is a comprehensive gang violence reduction program designed for the Little Village neighborhood of Chicago. The program is rated Promising. Treatment group youth who participated in the program had statistically significant reductions in total violent crime, serious violent crime, and drug crime arrests, compared with control group youth. However, there was no statistically significant difference in property crime arrests or total arrests.

This program seeks to reduce substance abuse and problem behavior in adolescents. The program is rated Promising. The intervention group had a statistically significant decrease in favorable attitudes toward substance use at the 24-month follow up and in drug use frequency at the 72-month follow up, compared with the comparison group. However, there were no statistically significant differences at the 24-month follow up in violent and delinquent behavior and perceived harm of drug use.

This is a comprehensive, multiyear program designed to reduce youth gang crime and violence. The program is rated Promising. The target area demonstrated a statistically significant reduction in calls for shots fired and gang-related incidents compared with the comparison area. However, there were no statistically significant impacts on calls for vandalism, incidents of serious violence, gang-related incidents of serious violence, or student attendance.

This program seeks to reduce substance use and problem behaviors of youths with substance use disorders. The program is rated Promising. Relative to treatment-as-usual youths, intervention youths showed a statistically significant reduction in the number of crimes committed (i.e., property and violent crimes), substance use problems, and delinquent behaviors. But there were no statistically significant differences in diagnoses of cannabis use disorder or externalizing and internalizing behaviors

This is a residential program that provides mental health treatment to violent juveniles. The program is rated Promising. Participants in the treatment group demonstrated a statistically significant lower likelihood of violent (but not general) recidivism and had a longer offense-free period in the community prior to committing felony, violent, or violent felony (but not misdemeanor) offenses, compared with control group participants.

This intervention provides integrated individual and family services to juveniles who have co-occurring mental health and chemical dependency disorders during their transition from incarceration back into the community. The program is rated Promising. Treatment group youth were at statistically significantly lower risk for felony recidivism, compared with control group youth. However, there was no impact on overall recidivism, violent felony recidivism, or misdemeanor recidivism.

This program aims to reduce recidivism of high- and moderate-risk individuals on probation by assigning them to intensive supervision by an officer with a reduced caseload, and through the use of evidence-based practices. The program is rated Promising. Individuals who were supervised by probation officers with reduced caseloads were statistically significantly less likely to be rearrested for any crime after 2 years, compared with individuals supervised by officers with traditional caseloads.

This is a comprehensive antiviolence initiative that uses collaborative strategies to alter perceived costs and benefits of gun violence and is intended to reduce illegal gun offending. The program is rated Promising. Treatment areas experienced a statistically significant reduction in homicide and gun-related homicides, but no reduction in gang-related homicides. In addition, offender notification forums were associated with statistically significant reductions in recidivism rates.

This is a group-based intervention for moderate- and high-risk juvenile court youth in Washington State. The goal is to reduce recidivism rates by teaching anger control, moral reasoning, and social skills. The program is rated No Effects. One study found treatment group youth were statistically significantly more likely to recidivate, compared with the comparison group. Another study found no statistically significant differences in recidivism rates between the treatment and comparison groups.

AMIkids is a program encompassing community-based, experiential treatment interventions for at-risk and delinquent youth, which is designed to reduce recidivism and be cost effective. The program is rated Promising. The treatment group showed a statistically significant lower likelihood of being rearrested, adjudicated, convicted, or experiencing a subsequent commitment for any offense within 12 months of release, compared with the comparison group.

This is a restorative justice diversion program for young people who have been convicted of an offense for the first time. It was designed to break their cycle of offending before they commit more offenses. The program is rated Promising. Program youth showed a statistically significant reduction in number of rearrests, compared with control youth, at the 2-year follow up. However, there were no statistically significant differences between the groups in time to rearrest.

This is a school-based, gang- and violence-prevention program, which is designed to teach youth to avoid gang membership and to develop positive relationships with law enforcement. The program is rated Promising. Treatment group students had a statistically significant lower likelihood of being in a gang, compared with control group students, at the 1-year follow up. However, there were no statistically significant differences between groups in delinquency or in violent offending.

This is a problem-oriented policing program that offered a collection of enforcement and non-enforcement strategies designed to reduce homicide in Richmond, Calif. The initiative combined traditional law enforcement practices with prevention and intervention efforts that involved partnerships with the community, other city agencies, and local schools. This program is rated Promising. There was a statistically significant reduction of homicides following the implementation of the initiative.

This is a program, provided by the Minnesota Department of Corrections, which offers treatment, therapy, and transitional services to convicted males in prison. The program is rated Promising. Treatment group inmates had a statistically significant lower likelihood of being rearrested for sex offenses, violent offenses, or any offenses, compared with comparison group inmates who did not receive any treatment.

This program consisted of a police patrol experiment, which was designed to reduce gun violence in Kansas City (Mo.) by placing extra police patrols in gun crime hot spots. The program is rated Promising. In the treatment area, there was a statistically significant increase in gun seizures and a statistically significant decrease in gun crimes, compared with the comparison area, in the 6 months following implementation.

This is a cognitive–behavioral curriculum developed by the National Institute of Corrections, which was designed to change the criminogenic thinking of persons convicted of a crime. The program includes cognitive restructuring, social skills development, and development of problem-solving skills. The program is rated Promising. Persons in the treatment group were found to be less likely to recidivate, compared with those in the control group, at the 6-month follow-up. This difference was statist

This is a cognitive-based intervention for aggressive children and for their parents to increase the children’s competence, study skills, social skills, and self-control during the transition to middle school. The program is rated Promising. There were mixed results on self-reported delinquency, but treatment group children showed a statistically significant reduction in substance use and improvement in aggressive behavior, compared with control group children.

This is a training program for federal community supervision officers providing direct service to persons convicted of a crime who are under supervision. The goal is to improve one-on-one officer-client interactions to reduce risk and recidivism. The program is rated Promising. Clients in the experimental group had statistically significant lower failure rates than control group clients at the 12-month follow up; however, there were no statistically significant differences in failure rates at

This program involves using systems based radio frequency or global positioning system technology to monitor convicted persons’ locations and movements in community-based settings. The goal is to increase compliance and reduce recidivism. This program is rated Promising. Compared with the control group, who were on other forms of community supervision, the treatment group using electronic monitoring showed statistically significant reductions in the risk of failure to comply.

This is a multisystemic intervention for boys younger than 12 who display aggression and antisocial behavior problems. This program is rated Effective. Boys who participated in the program showed a statistically significant decrease in delinquency and aggression scores and in behaviors such as rule-breaking, aggression, and conduct problems, compared with control group boys.

This program is designed to deter students from substance use and to identify and refer those with substance use problems to counseling or treatment services. Students and their parents sign consent forms, agreeing to the students’ random drug testing as a condition of participation in athletics and other school-sponsored extracurricular activities. The program is rated No Effects. There were no statistically significant effects on overall substance use or intentions to use substances.

This is a focused policing strategy, designed to reduce violent crime in high-crime locations in Jersey City, N.J., by modifying specific characteristics and situations that promote violence in targeted areas. The program is rated Promising. Total citizen calls for service and total reported criminal incidents were reduced in treatment locations, compared with control locations. These findings were statistically significant.

This dual intervention aims to reduce peer violence and sexual harassment in middle schoolers by emphasizing consequences and increasing surveillance of unsafe areas. The program is rated Promising. The intervention group had statistically significant reductions in sexual victimization and in violence victimization and perpetration compared with those in the control group. There were no statistically significant effects on sexual harassment perpetration, or knowledge, attitudes, or intentions.

This is an intensive family program combining relapse prevention and parenting skills training. This program is rated No Effects. Treatment group parents demonstrated statistically significantly less heroin use, fewer domestic conflicts, and higher refusal skills than control parents did. There were no statistically significant differences in other drug use by parents, child drug and alcohol use, child delinquency, child-reported negative peers, or child school attachment.

This is a cognitive–behavioral counseling program specifically designed for African American men arrested for domestic violence. The program is rated No Effects. There were no statistically significant differences between the treatment and control groups in reassault rates. However, treatment group participants were statistically significantly more likely to be rearrested for domestic violence, compared with control group participants who received conventional counseling.

The program model enlists second responders to make home visits to try to help victims find long-term solutions to help repeat incident victims of family violence including intimate partner abuse, abuse within families or households, and elder abuse. The program is rated No Effects. Overall, the evidence found no statistically significant differences between the treatment and control groups on prevalence of and frequency of new domestic incidents and time to failure.

This program was designed to reduce driving under the influence (DUI) through installation of an ignition interlock device in motor vehicles of drivers convicted of alcohol-related traffic violations. The program is rated Promising. The treatment group had a statistically significant lower likelihood of being rearrested for DUIs, compared with comparison group participants, who served the typical license suspension and probation period.

The program requires installation of ignition interlock devices in motor vehicles to test the breath–alcohol level of drivers convicted of alcohol-related traffic violations. The device prohibits alcohol-impaired drivers from starting and operating the vehicle. The program is rated Promising. Treatment group individuals who had the device installed had statistically significantly lower rates of rearrest for alcohol-related violations, compared with the control group, at the 3-year follow-up.

This is a problem-solving police strategy, which was designed to reduce gang violence, illegal gun possession, and gun violence in communities in Boston, Mass. The program is rated Effective. There were statistically significant reductions in youth homicide, citywide gun assaults, calls for service, and recovered new guns following implementation of the intervention.

A violence prevention program that uses a public health approach, using trained street violence interrupters and outreach workers, public education campaigns, and community mobilization to reduce shootings and killings. This program is rated Promising. The program was associated with significant reductions in shootings, killings, and retaliatory homicides and also appeared to make shooting hot spots cooler in some neighborhoods but not others.

This is a community-based program that provides sexual abuse–specific assessment, treatment, consultation, and long-term support to adolescents who were convicted of sexual abuse and to their families. This program is rated Promising. Intervention participants showed a statistically significant lower likelihood of being charged with a sexual reoffense, nonsexual violent reoffense, nonviolent reoffense, or any reoffense, compared with control participants, at the 20-year follow up.

This is a home-visitation program for expectant and new parents, which was designed to prevent child abuse or neglect. The program is rated No Effects. Treatment group mothers showed statistically significant improvements on some outcomes, such as parental stress and discipline strategies, compared with control group mothers. However, there were no statistically significant differences between the groups in neglect, foster care placement, or substantiated child protective services reports.

This is a prison-based, methadone maintenance program in Australia, which is designed to reduce recidivism, prevent the spread of blood-borne viral infections (HIV and hepatitis) in prison, and encourage continuation of treatment in the community following release. The program is rated No Effects. There were no statistically significant effects on rates of mortality, recidivism, or hepatitis C infections.

This community crime-prevention program in Portland, OR., used a combination of private prevention techniques and neighborhood prevention efforts to protect neighborhoods from burglary. This program is rated Effective. Participating homes showed statistically significant reductions in burglary rates and were more likely to report burglaries to the police, compared with non-participating homes. However, there were no statistically significant differences in recovery rates of stolen property.

This program addresses family functioning and parental behavior to reduce child abuse, neglect, and external placement. The program is rated Promising. Compared with the control group, treatment parents and children showed statistically significant improvements in functioning, treatment parents showed significant improvements in social support, and treatment children had a lower likelihood of receiving external placement. However, there were no significant differences between groups on abuse.

This is a family and community-based treatment program for adolescents with serious antisocial, delinquent, and other problem behaviors. The program is rated Effective. The treatment group had a statistically significant reduction in rearrests and number of days incarcerated, compared with a control group that received usual services. However, there were no statistically significant differences between groups in substance use outcomes.

This is a program that combines group therapy and family therapy to treat youth, ages 10–18, who have a primary diagnosis of oppositional defiant or conduct disorder. This program is rated Promising. Findings were mixed. Intervention youth showed statistically significant decreases in rates of recidivism and improvements in behavior, compared with control group youth. However, there were no significant differences between groups on measures of readiness to change.

This was an experiment conducted to examine the effects of lowering the intensity of community supervision with low-risk people in an urban community. The program is rated Promising. There were no statistically significant effects between groups on rearrest, time to rearrest, reincarceration, frequency of offending, or seriousness of offending. Overall, there was no evidence that reducing the intensity of supervision had any effect on the subsequent criminal behavior of low-risk people.

This is a prevention program designed to decrease adolescents’ underage drinking and delinquency by increasing parents’ restrictive and prohibitory attitudes toward these behaviors. The program is rated Promising. Adolescents whose parents participated in the program had a statistically significant lower likelihood of having been drunk in the past month, lower alcohol use overall, and lower delinquency levels, compared with adolescents whose parents did not participate in the program.

This is a home visitation program for low-income, first-time mothers designed to improve family functioning. The program is rated Effective. Treatment families reported statistically significant decreases in child abuse/neglect and domestic violence and improvements in home learning environments, compared with control families. Treatment children reported statistically significant decreases in substance use, compared with control children, but there were no differences in behavior problems.

This program is an adaptation of the therapeutic community models used with individuals who have co-occurring drug abuse problems and mental health disorders. It offers a more flexible, more personalized, and less intense approach to achieve greater reductions in substance use and recidivism. This program is rated Promising. Participants in the treatment group showed statistically significant reductions in illegal drug use, compared with the control group.

This is a family-based prevention and intervention program for dysfunctional youth, ages 11 to 18, who are justice-involved or at risk for delinquency, violence, substance use, or other behavioral problems. The program is rated Effective. Program participants showed a statistically significant reduction in general recidivism and risky behavior, compared with control group participants. However, there were no differences between groups on felony recidivism or caregiver strengths and needs.

This program is designed to provide support to battered mothers and reduce conduct problems in their children. The program is rated Promising. There were statistically significant effects in favor of the treatment group on measures of children’s conduct problems, happiness, and mothers’ aggression toward children. However, there were no statistically significant effects on children’s internalizing behaviors, mothers’ return to abusive partners, or recurrence of physical violence.

This mail campaign aimed to deter illegal firearm transactions in Los Angeles, Calif., using a letter outlining the regulations and laws surrounding firearm ownership. The program is rated Promising. Those who received a letter were more than twice as likely to report their firearms stolen than those who did not receive the letter. However, there was no statistically significant impact on whether the firearm was later used in a crime.

This is a methadone maintenance treatment designed for currently incarcerated individuals with a heroin addiction. The program is rated Promising. Treatment group participants spent a greater number of days in community-based drug treatment following release and improved opioid drug test results, compared with control group participants. These differences were statistically significant. However, there were mixed results regarding cocaine use, criminal activity, and frequency of heroin use.

This is a problem-oriented policing program targeted at high-crime areas and drug corners in Philadelphia, Pa., to prevent violent and drug-related crime. The program is rated Promising. Localized analysis of the intervention group areas (that implemented the program) found statistically significant reductions in violent and drug crime rates. However, there were no statistically significant effects on citywide homicide, violent crime, or drug crime rates.

This program is an alternative to probation and confinement for first-time, nonviolent individuals convicted of drug offenses. The program is rated Promising. Treatment court participants had statistically significant lower conviction rates for any new offenses and drug offenses 1 year after program completion, compared with the comparison group. Program participants also had statistically significant lower conviction rates 3 years following the initial arrest.

This was an experiment to evaluate the impact of deoxyribonucleic acid (DNA) evidence collection and testing on the investigation of high-volume property crimes. The program is rated Effective. Across five sites, more suspects were identified, arrested, and prosecuted in the treatment group cases, compared with suspects in the control group cases. These differences were statistically significant.

This program consists of a specialized police unit, which was designed to prevent recidivism among people convicted of domestic violence offenses and to assist victims of domestic violence through the process of prosecution and recovery. The program is rated Promising. The treatment group assigned to the Domestic Violence Unit had a statistically significant lower likelihood of recidivating, compared with the control group, who were assigned to standard patrol.

This was a special police unit that conducted raids of crack houses to reduce crack-related crime and improve public order in Kansas City, Mo. The program is rated No Effects. There were no statistically significant differences between the experimental and control groups in calls for service (including calls for violent, property, and disorder offenses) and reported offenses (including violent and property offenses).

This is a behavioral treatment alternative to residential placement for adolescents with antisocial behavior, emotional disturbance, and delinquency. The program is rated Effective. Treatment group boys showed a statistically significant drop in criminal referral rates, criminal activities, and days spent in lock up, compared with comparison group boys. Treatment group girls showed a statistically significant reduction in delinquency, compared with comparison group girls.

This is a prison-based chemical dependency treatment for incarcerated persons who abuse chemicals or are chemically dependent. The main goal is to reduce their recidivism rates once they reenter the community. The program is rated Promising. Those who received treatment showed statistically significant lower rates of rearrest, reconviction, and reincarceration, compared with the control group at the follow-up period.

This interagency public safety initiative aims to help incarcerated violent adults who have been convicted of a crime transition back to their neighborhoods following release from jail through various services. The program is rated Promising. The study found that after 3 years statistically significantly fewer program participants had been arrested for any crime and violent crime compared to the control group. The program was also associated with reductions in the subsequent overall time to arre

This program encourages developers to implement crime prevention features in housing designs. The key principles of the program concern physical security, surveillance, access/egress, territoriality, management, and maintenance. The program is rated Promising. The findings reveal statistically significant lower crime rates in the intervention estates, compared with the estates in the comparison group.

This program consists of using closed-circuit television cameras in the town center and adjacent car parks, or parking lots, in Gillingham, England. The program is rated Promising. The treatment area where the cameras were installed experienced a statistically significant reduction in overall crime, compared with the comparison area.

This program is an alternative to incarceration for drug-abusing defendants, which provides substance abuse treatment and education, case management, and intensive supervision. The program is rated Effective. Treatment group participants had a statistically significant lower likelihood of recidivating and experienced a greater length of time between initial arrest and first rearrest, compared with the comparison group.

These statewide drug court programs were designed to provide comprehensive management for persons convicted of drug offenses—through increased treatment, monitoring, and interactions with the court judge—to achieve reductions in reoffending and better drug treatment outcomes for substance users. This program is rated Promising. Individuals who participated in drug court programs had statistically significant reductions in recidivism rates and number of rearrests, compared with the control group.

This is a behavioral intervention for youth, which is designed to reduce drug and alcohol use and promote an abstinent lifestyle. The program is rated Promising. Participants showed a statistically significant reduction in alcohol use, other drug use, and depressive symptoms, and an increase in linkage to continuing care services, adherence to the continuing care model, and social stability. However, there was no statistically significant effect on high-risk behaviors or delinquency.

The town of Redton, England, installed closed-circuit television cameras in the central commercial district to reduce crime. The program is rated Promising. Using a trend analysis, there was no significant overall crime decrease. However, in analyses of separate types of crime, controlling for trends, the reduction was significant for some types of crime (theft of and from vehicles), but not from others (other theft, shoplifting).

This is a reentry program in Brooklyn, N.Y., that provides substance abuse treatment, employment, and housing services for parolees. The program is rated Promising. Participants demonstrated a statistically significant lower likelihood of being rearrested or reconvicted, compared with the matched control group. However, there were no significant differences in employment and earnings, cohabitating with a partner and regular contact with their children, or drug and alcohol use.

This is a drug court program for first-time, nonviolent persons convicted of felony drug offenses who are arrested in Queens County, N.Y. The court provides drug or alcohol treatment services to persons with persistent drug offenses who have a history of substance abuse. This program is rated Effective. There were statistically significant reductions in postarrest and post-program rearrest rates for program participants, compared with the comparison group.

This drug court program offers substance abuse treatment for nonviolent felony and misdemeanor drug offenses. The program is rated No Effects. There were no statistically significant differences between the drug court participants and the comparison group in 2-year post-program recidivism or 4-year post-arrest convictions for a drug offense.

This interactive classroom curriculum is designed to reduce youth dating violence by addressing bullying, unsafe sexual behavior, and substance use. The program is rated No Effects. The program had small, statistically significant effects on decreasing dating violence and sexual harassment/assault victimization. However, there were no significant effects on sexual harassment/assault perpetration, peer violence perpetration or victimization, sexual activity, substance use, or prosocial attitudes.

This prison-based substance abuse treatment program for women near the end of their incarceration period is designed to reduce substance use and recidivism following release. The program is rated Promising. The intervention group reported statistically significantly fewer arrests and reconvictions and less drug use at follow up compared with the comparison group. However, there was no statistically significant effect on reincarceration and employment.

This is a program designed to reduce drug dealing at residential rental properties by encouraging improved property management practices. The program is rated Effective. The treatment group that implemented the full program experienced a statistically significant reduction in crime, compared with the control group However, there was no statistically significant difference between the treatment and control groups in the eviction of persons convicted of drug offenses.

This Maryland program was designed to decrease the number of subsequent alcohol-related traffic violations for drivers with multiple alcohol offenses. The program is rated Effective. Those in the ignition interlock group had statistically significant fewer subsequent alcohol traffic violations compared with the control group.

The court aims to connect defendants with serious mental illness to community treatment services, to find dispositions to their criminal charges that take into account their mental illness, and to decrease the chances they return to the criminal justice system. The program is rated Promising. The study showed participants were statistically significantly less likely to be charged with a new offense and had a longer time without a new violent charge compared with the comparison group.

This comprehensive 3-year program provides swift sanctions, intensive probation, close monitoring, and mandatory treatment for repeat impaired-drivers. The program is rated Promising. There were statistically significant differences between the treatment and comparison groups across all counties. The treatment group experienced lower DUI recidivism, driving with a revoked or suspended license recidivism, and any other traffic offense convictions.

This is a drug court diversion program designed to help participants achieve sobriety and reduce involvement with the criminal justice system, by connecting them with treatment services soon after arrest. The program is rated Promising. The treatment group showed statistically significant reductions in recidivism for general and drug-related crime, compared with the control group at the 3-year follow up. However, there were no differences between groups in rates of positive drug tests.

This is a community-based approach to reducing and preventing crime while revitalizing the community. This program is rated No Effects. There were no statistically significant differences in rates of violent crime between the treatment and comparison areas following the crackdown. However, drug offenses increased significantly in the treatment areas, compared with the comparison areas.

This is a focused-deterrence policing initiative designed to reduce gun homicide in Stockton, Calif., by providing gang-involved youth with positive alternatives to violence. The program is rated Promising. The intervention was associated with a statistically significant 42 percent decrease in the monthly number of gun homicides, compared with pre-intervention trends.

This is a program for people arrested for the first time for driving while intoxicated (DWI). The program seeks to reduce DWI rearrest rates. The program is rated Promising. The treatment group showed statistically significant improvement on all three measures of alcohol use (total consumption, drinking days, and average blood–alcohol content), compared with the control group. However, there was no statistically significant difference between groups on rates of DWI rearrests.

This is a policing program that targeted high-risk persons who chronically commit offenses to reduce gun violence in Indianapolis, Ind. The program is rated Promising. There was a statistically significant reduction in the number of average monthly homicides and gang-related homicides in Indianapolis, in the 2 years following the implementation of the program.

This is a multicomponent treatment program administered in juvenile correctional facilities for youth with conduct disorders. This program is rated Promising. Program youth showed statistically significant improvements in social skills and had statistically significant fewer instances of self-reported and staff-reported institutional misconduct, compared with control group youth. However, there were no significant differences between groups on measures of moral judgment.

This is a court program in western Michigan designed to divert people convicted of driving under the influence (DUI) from jail, eliminate substance use, and reduce recidivism. The program is rated Promising. At the 2-year follow up, program participants were less likely to be rearrested and had longer time to first-rearrest, compared with control group participants. These differences were statistically significant. However, there were no significant differences between groups for alcohol or drug

This was a policing initiative that targeted specific gangs in the Hollenbeck area of Los Angeles, California, through aggressive enforcement and problem-oriented policing. The program is rated Promising. There was a statistically significant reduction in overall violent crimes in targeted blocks, compared with matched comparison blocks. However, there was no statistically significant effect on gang crimes or gun crimes.

This is a multidimensional, parole-based reintegration program that aims to reduce parolees’ crime and reincarceration by providing them with services that can facilitate a successful reintegration into society following release from prison. The program is rated Promising. Parolees who participated in the program had a statistically significant lower likelihood of reincarceration, compared with parolees who did not participate.

This is a policing program that used community mobilization, strategic planning, and pulling-levers notifications to reduce drug dealing in a high-crime area in Nashville, Tenn. The program is rated Promising. At the postintervention, there was a statistically significant decline in drug crime incidents in the target area, compared with the adjacent comparison area and the rest of Nashville. But there were no statistically significant effects on violent or property offenses or calls for service.

This is a policing program designed to reduce crime through the management of police resources in Fort Worth, Texas. The program is rated Promising. Following the implementation of Compstat in Fort Worth, there was a statistically significant reduction in rates of overall crime and property crime, and a statistically significant increase in arrests for minor nuisance offenses. However, there were no statistically significant effects on violent crime rates.

This is a planning and implementation system that helps community stakeholders come together to address adolescent behavior problems such as violence, delinquency, substance abuse, teen pregnancy, and dropping out of school. This program is rated Promising. There were statistically significant lower levels of risk factors and a lower likelihood of initiation of delinquent behavior for intervention communities, compared control communities, but mixed results in substance use initiation.

This is a crime prevention program that consists of the installation of gates to alleyways in Liverpool, England, to reduce burglaries. The gates restrict access to local residents only, thus reducing opportunities for potential crime. The program is rated Effective. Treatment areas that implemented alley gates had a statistically significant reduction in burglaries, compared with comparison areas.

This is a gender-specific, family-based intervention designed to help drug-using mothers who participate in family drug court to maintain their parental rights. The program is rated No Effects. The program had no statistically significant effects on child welfare outcomes, self-reported drug use, physical child abuse potential, overall psychological stress, self-reported alcohol use, family and social functioning, psychiatric problems, and urinalysis results.

This is an empowerment training program for pregnant women in China who have been abused. The program is rated Promising. For the experimental group, there were statistically significant declines in levels of psychological abuse, minor physical violence, physical functioning, physical and emotional role limitation, and postnatal depression. However, there were no statistically significant effects on severe physical violence, sexual abuse, and other health-related, quality-of-life measures.

This program uses devices that prevent a vehicle from starting without receiving the correct signal from the driver, with the goal of reducing car theft. This signal may be communicated through a transponder, electronic key, or other mechanism. The program is rated Effective. The program demonstrated a statistically significant reduction in theft of cars with engine immobilizers, compared with theft of cars without engine immobilizers.

This is a job-training program for probation officers (POs) to help them apply the risk–need–responsivity (RNR) model with adults who are on probation. The program is rated Promising. Treatment POs demonstrated a statistically significant higher level of quality in demonstrating RNR–based correctional and intervention skills, compared with the control group; however, there were mixed results in discussions on any and all criminogenic needs and no statistically significant difference in recidivis

The program uses courts in a comprehensive approach to address the underlying causes of driving under the influence by aiming to change the behavior of alcohol and/or drug dependent individuals who have been convicted of drug/alcohol crimes. The program is rated Promising. The treatment group had a statistically significantly lower recidivism rate (measured as new court filings) and was statistically significantly more likely to fail sooner than the comparison group.

This is a nonprofit organization created by neighborhood property owners or merchants to provide services, activities, and programs to promote local improvements and public safety. The program is rated Promising. The treatment areas experienced statistically significant reductions in overall crime, serious crime, less serious crime, and arrests compared with the matched control group areas.

This is a jail reentry program that works to reduce inmates’ recidivism once they reenter the community, in part by linking them to various resources. The program is rated Promising. Approximately 12 percent of program participants were rearrested during the 12-month follow-up period, compared with 82 percent of control group participants, a statistically significant difference.

This program is the first prosecution-led, residential drug treatment diversion program designed to divert people convicted of nonviolent felony drug offenses to community-based residential treatment. This program is rated Promising. Controlling for time spent in the community following release from prison, the intervention showed statistically significant positive effects on recidivism, time to first rearrest, and rearrest for program participants, compared with the control group.