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Federal
National Survey of Eyewitness Identification Procedure in Law Enforcement Agencies, 1994-2012 recent views
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
The Benefits of Body-Worn Cameras: New Findings from a Randomized Controlled Trial at the Las Vegas Metropolitan Police Department, Nevada, 2014-2015 recent views
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
Homicides in Chicago, 1965-1995 recent views
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
Survey on Street Disorder in Large Municipalities in the United States, 1994-1996 recent views
Department of Justice —
The objective of this survey was to provide city officials and police with information on how to carry out street disorder enforcement strategies within the... -
Federal
Evaluating the Crime Control and Cost-Benefit Effectiveness of License Plate Recognition (LPR) Technology in Patrol and Investigations, United States, 2014 recent views
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
Linking Theory to Practice: Examining Geospatial Predictive Policing, Denver, Colorado, 2013-2015 recent views
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
Gang Involvement in "Rock" Cocaine Trafficking in Los Angeles, 1984-1985 recent views
Department of Justice —
The purpose of this data collection was to investigate the possible increase in gang involvement within cocaine and "rock" cocaine trafficking. Investigators also... -
Federal
Police Officer Learning, Mentoring, and Racial Bias in Traffic Stops, Syracuse, New York, 2006-2009 recent views
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
A Multi-Site Assessment of Police Consolidation: California, Michigan, Minnesota, Pennsylvania, 2014-2015 recent views
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
Long-Term Effects of Law Enforcement's Post-9/11 Focus on Counterterrorism and Homeland Security, 2007-2010, United States recent views
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
Police Response Time Analysis, 1975 recent views
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 Staffing Issues in Large Police Agencies, 2006-2007 [United States] recent views
Department of Justice —
The primary objective of this study was to formulate evidence-based lessons on recruitment, retention, and managing workforce profiles in large, United States police... -
Federal
Evaluation of a Coordinated Community Response to Domestic Violence in Alexandria, Virginia, 1990-1998 recent views
Department of Justice —
This study was undertaken to evaluate Alexandria, Virginia's Domestic Violence Intervention Program (DVIP), which is a coordinated community response to domestic... -
Federal
Law Enforcement Officers Safety and Wellness: A Multi-Level Study, United States, 2017-2020 recent views
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
The National Police Research Platform, Phase 2 [United States], 2013-2015 recent views
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
Compstat and Organizational Change in the United States, 1999-2001 recent views
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... -
Federal
Law Enforcement and Sex Offender Registration and Notification: Perspectives, Uses, and Experiences, 2014-2015 [United States] recent views
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
National Assessment Program Survey of Criminal Justice Personnel in the United States, 1986 recent views
Department of Justice —
This survey probed the needs and problems facing local criminal justice practitioners. Within each sampled county, survey questionnaires were distributed to the... -
Federal
Improving the Investigation of Homicide and the Apprehension Rate of Murderers in Washington State, 1981-1986 recent views
Department of Justice —
This data collection contains information on solved murders occurring in Washington State between 1981 and 1986. The collection is a subset of data from the Homicide... -
Federal
LAPD's TEAMS II: The Impact of a Police Integrity Early Intervention System, Los Angeles, California, 2000-2015 recent views
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,...