Drug Trafficking

This is a police-operated public surveillance program that seeks to reduce crime and increase crime clearances (i.e., arrests) by installing new closed-circuit television cameras at high-crime, high-traffic intersections in Milwaukee (Wis.). The program is rated Promising. Intersections in intervention areas where new cameras were installed had a statistically significant higher rate of crime clearances for all crime types, compared with intersections in comparison areas.

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 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.

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 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.

This is a hot spots policing program that targeted identified drug activity locations to reduce public disorder by engaging local residents and business owners and applying pressure through crackdowns. The program is rated Promising. The treatment group hot spots showed a statistically significant decrease in disorder-related offenses, compared with the control group hot spots. However, there were no statistically significant differences in violent or property offenses.

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 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.

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 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 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 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 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.