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Federal
Homicides in Chicago, 1965-1995
Department of Justice —
These datasets contain information on every homicide in the murder analysis files of the Chicago Police Department for the years 1965-1995. For the victim-level file,... -
Federal
The National Police Research Platform, Phase 2 [United States], 2013-2015
Department of Justice —
These data are part of NACJD's Fast Track Release and are distributed as they there received from the data depositor. The files have been zipped by NACJD for release,... -
Federal
Police Response Time Analysis, 1975
Department of Justice —
This is a study of the relationship between the amount of time taken by police to respond to calls for service and the outcomes of criminal and noncriminal incidents... -
Federal
National Survey of Eyewitness Identification Procedure in Law Enforcement Agencies, 1994-2012
Department of Justice —
The data results from a study conducted by the Police Executive Research Forum (PERF) designed to obtain the first nationwide assessment of the state of the criminal... -
Federal
Census of Public Defender Offices: County-Based and Local Offices, 2007
Department of Justice —
The Bureau of Justice Statistics' (BJS) 2007 Census of Public Defender Offices (CPDO) collected data from public defender offices located across 49 states and the... -
Federal
Law Enforcement Officers Safety and Wellness: A Multi-Level Study, United States, 2017-2020
Department of Justice —
The objective of this study was to assess the role of traumatic exposures, operational and organizational stressors, and personal behaviors on law enforcement safety... -
Federal
A Multi-Site Assessment of Police Consolidation: California, Michigan, Minnesota, Pennsylvania, 2014-2015
Department of Justice —
These data are part of NACJD's Fast Track Release and are distributed as they were received from the data depositor. The files have been zipped by NACJD for release... -
Federal
Prevalence, Context, and Consequences of Dual Arrest in Intimate Partner Cases in 19 States in the United States, 2000
Department of Justice —
This project provided the first large-scale examination of the police response to intimate partner violence and of the practice known as "dual arrest." The objectives... -
Federal
Extended National Assessment Survey of Law Enforcement Anti-Gang Information Resources, 1993-1994
Department of Justice —
This survey extended a 1992 survey (NATIONAL ASSESSMENT SURVEY OF LAW ENFORCEMENT ANTI-GANG INFORMATION RESOURCES, 1990-1992 [ICPSR 6237]) in two ways: (1) by... -
Federal
Long-Term Effects of Law Enforcement's Post-9/11 Focus on Counterterrorism and Homeland Security, 2007-2010, United States
Department of Justice —
This study examines the state of counterterrorism and homeland security in five large urban law enforcement agencies (the Boston Police Department, the Houston Police... -
Federal
Boston Police Department Domestic Violence Research Project, 1993-1994
Department of Justice —
The Domestic Violence Research Project was a pilot study designed to examine the dynamics of domestic violence within two of the ten police districts that comprise... -
Federal
Police Officer Learning, Mentoring, and Racial Bias in Traffic Stops, Syracuse, New York, 2006-2009
Department of Justice —
This project is concerned with understanding the determinants of racial bias in police traffic stops and in the city of Syracuse, New York. Using an officer-level... -
Federal
Integrating Data to Reduce Violence, Milwaukee, WI, 2015-2016
Department of Justice —
These data are part of NACJD's Fast Track Release and are distributed as they were received from the data depositor. The files have been zipped by NACJD for release,... -
Federal
Effects of Community Policing on Tasks of Street-Level Police Officers in Ohio, 1981 and 1996
Department of Justice —
These data were collected to analyze the impact of community-oriented policing (COP) on job assignments of police officers in Ohio. The study compared the self-... -
Federal
Collection Law Enforcement Management and Administrative Statistics (LEMAS) Series
Department of Justice —
Investigator(s): Bureau of Justice Statistics Conducted periodically since 1987, LEMAS collects data from over 3,000 general purpose state and local law enforcement... -
Federal
Evaluating the Crime Control and Cost-Benefit Effectiveness of License Plate Recognition (LPR) Technology in Patrol and Investigations, United States, 2014
Department of Justice —
These data are part of NACJD's Fast Track Release and are distributed as they were received from the data depositor. The files have been zipped by NACJD for release,... -
Federal
Police Arrest Decisions in Intimate Partner Violence Cases in the United States, 2000 and 2003
Department of Justice —
The purpose of the study was to better understand the factors associated with police decisions to make an arrest or not in cases of heterosexual partner violence and... -
Federal
Linking Theory to Practice: Examining Geospatial Predictive Policing, Denver, Colorado, 2013-2015
Department of Justice —
This research sought to examine and evaluate geospatial predictive policing models across the United States. The purpose of this applied research is three-fold: (1)... -
Federal
Promoting Officer Integrity Through Early Engagements and Procedural Justice in Seattle, Washington, 2013
Department of Justice —
These data are part of NACJD's Fast Track Release and are distributed as they were received from the data depositor. The files have been zipped by NACJD for release,... -
Federal
Compstat and Organizational Change in the United States, 1999-2001
Department of Justice —
The purpose of the study was to determine how Compstat programs were being implemented across the United States by examining the diffusion of Compstat and factors...