Use Of Force

This intervention involves officers wearing cameras on their uniforms to increase citizens’ intentions to comply with police and improve their perceptions of police during traffic stops. The program is rated Promising. Drivers who encountered officers with cameras had statistically significant increases in both compliance and cooperation with officers and improved perceptions of procedural justice and police legitimacy, compared with drivers who encountered officers not wearing cameras. 

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 program equips police with on-officer cameras to record their interactions with civilians. The program is rated Ineffective. 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 involves police use of video to improve evidence gathering and police and citizen behavior. The program is rated Ineffective. There were no statistically significant differences in restraining orders issued or assaults on police between body-worn video treatment days and control days (when no officers wore body-worn video). Treatment days had statistically significantly higher rates of use of force, citizen complaints against police, and criminal charges, compared with control days.

The program is designed to reduce officer use-of-force incidents and citizen complaints by providing body-worn cameras to officers in the Las Vegas (Nevada) Metropolitan Police Department. The program is rated Promising. There was a statistically significant reduction in police use-of-force and citizen complaints, and a statistically significant increase in arrests and citations for officers who wore the BWCs, compared with non-BWC control group.

Police body-worn cameras are used to record police encounters with citizens during officers’ shifts in Birmingham South. Officers were instructed to begin recording as soon as they left their vehicles and to conclude recording once the situation was resolved. The program is rated Promising. There was a statistically significant reduction in officers’ use of force and citizen injury, but no statistically significant reduction in officer injury.

This is a police body-worm camera intervention that has been implemented across eight police departments in the United States and United Kingdom. The program equips officers with continuously recording body-worn cameras to record police and citizen interactions. The program is rated Ineffective. There was no significant effect on police use of force, and use of cameras was associated with a statistically significant increase in assaults against officers.

This brief, cognitive behavioral, motivational intervention was designed to address alcohol and other drug use as well as aggressive behaviors among English- and Spanish-speaking adolescents who were already involved in drugs and aggressive behavior. This program is rated Ineffective The study found no statistically significant differences in measures of substance use and aggressive behaviors between adolescents in the treatment group, compared with adolescents receiving standard care.

This is an alternative sentencing program aimed at diverting individuals who committed first-time nonviolent felony offenses from the criminal justice system. The program is rated Ineffective. Results showed no statistically significant differences between the treatment group and comparison group on rearrests rates.

This program equips individual police officers in Rialto, Calif., with body-worn cameras to record police encounters during shifts. The program aims to reduce use-of-force incidents and citizen complaints by increasing mutual accountability. The program is rated Promising. There was a statistically significant reduction in police use-of-force, but no statistically significant difference in citizens’ complaints.

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 training teaches police officers skills and tactics to minimize the frequency and severity of their use of force in encounters with citizens. The program is rated Effective. There were statistically significant reductions in officer use of force against individuals and in officer and citizen injuries from the preintervention to postintervention periods for officers in the divisions that received the training, compared with officers in divisions that had not yet received the training.