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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
Gang Involvement in "Rock" Cocaine Trafficking in Los Angeles, 1984-1985
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
Census of Law Enforcement Training Academies, 2018
Department of Justice —
In 2018, there were 681 state and local law enforcement training academies that provided basic training instruction to 59,511 recruits. As part of the 2018 Census of... -
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
Supporting Police Integrity in the Philadelphia [Pennsylvania] Police Department, 1991-1998 and 2000
Department of Justice —
This study investigated police integrity in the Philadelphia Police Department (PPD). Its primary goal was to identify risk factors for negative police behaviors and... -
Federal
Reexamining the Minneapolis Repeat Complaint Address Policing (RECAP) Experiment, 1986-1987
Department of Justice —
This study reexamines REPEAT COMPLAINT ADDRESS POLICING: TWO FIELD EXPERIMENTS IN MINNEAPOLIS, 1985-1987 (ICPSR 9788). The original Repeat Complaint Address Policing... -
Federal
Survey of Police Chiefs' and Data Analysts' Use of Data in Police Departments in the United States, 2004
Department of Justice —
This study surveyed police chiefs and data analysts in order to determine the use of data in police departments. The surveys were sent to 1,379 police agencies... -
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
National Survey of Staffing Issues in Large Police Agencies, 2006-2007 [United States]
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
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
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 Agency Roster (LEAR), 2016
Department of Justice —
In the past several years, BJS has made efforts to develop a national roster of publicly funded law enforcement agencies. The Census of State and Local Law... -
Federal
Census of Public Defender Offices: State Programs, 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
Evaluation of a Coordinated Community Response to Domestic Violence in Alexandria, Virginia, 1990-1998
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
National Survey of Police Call Management Strategies and Community Policing Activities, 2000
Department of Justice —
For this study, two different projects with an overlap of purpose made use of the same data, which were based on a national sample of 695 police departments. One... -
Federal
Developing a Comprehensive Empirical Model of Policing in the United States, 1996-1999
Department of Justice —
The aim of this study was to provide a systematic empirical assessment of three basic organizational premises of Community-Oriented Policing (COP). This study... -
Federal
Police Use of Force [United States]: Official Reports, Citizen Complaints, and Legal Consequences, 1991-1992
Department of Justice —
This national survey was designed to collect information on police departmental policies and practices pertaining to the use of physical force--both deadly and less... -
Federal
Improving the Investigation of Homicide and the Apprehension Rate of Murderers in Washington State, 1981-1986
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
Police Performance and Case Attrition in Los Angeles County, 1980-1981
Department of Justice —
The purpose of this data collection was to investigate the effects of crime rates, city characteristics, and police departments' financial resources on felony case... -
Federal
Effects of Foot Patrol Policing in Boston, 1977-1985
Department of Justice —
This collection evaluates the impact of a new foot patrol plan, implemented by the Boston Police Department, on incidents of crime and neighborhood disturbances. Part...