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Federal
Crime Changes in Baltimore, 1970-1994
Department of Justice —
These data were collected to examine the relationships among crime rates, residents' attitudes, physical deterioration, and neighborhood structure in selected urban... -
Federal
Minimum Legal Drinking Age and Crime in the United States, 1980-1987
Department of Justice —
This collection focuses on how changes in the legal drinking age affect the number of fatal motor vehicle accidents and crime rates. The principal investigators... -
Federal
Collection United Nations Surveys of Crime Trends and Operations of Criminal Justice Systems Series
Department of Justice —
Investigator(s): United Nations Office at Vienna, R.W. Burnham, Helen Burnham, Bruce DiCristina, and Graeme Newman The United Nations Surveys of Crime Trends and... -
Federal
Security by Design: Revitalizing Urban Neighborhoods in the United States, 1994-1996
Department of Justice —
This study was designed to collect comprehensive data on the types of "crime prevention through environmental design" (CPTED) methods used by cities of 30,000... -
Federal
Impact of Gang Migration: Effective Responses by Law Enforcement Agencies in the United States, 1992
Department of Justice —
This study was the first attempt to investigate gang migration systematically and on a national level. The primary objectives of the study were (1) to identify the... -
Federal
Street Gangs and Drug Sales in Pasadena and Pomona, California, 1989-1991
Department of Justice —
These data were collected to explore connections between street gangs and drug distribution. The research objectives for this study were (1) to assess the magnitude... -
Federal
Evaluation of the Weed and Seed Initiative in the United States, 1994
Department of Justice —
The Department of Justice launched Operation Weed and Seed in 1991 as a means of mobilizing a large and varied array of resources in a comprehensive, coordinated... -
Federal
Dangerous Sex Offenders: Classifying, Predicting, and Evaluating Outcomes of Clinical Treatment in Bridgewater, Massachusetts, 1982-1985
Department of Justice —
The purpose of this data collection was to validate two classification systems, one for rapists and one for child molesters, used in a Massachusetts treatment center... -
Federal
Exploring the Drugs-Crime Connection Within the Electronic Dance Music and Hip Hop Nightclub Scenes in Philadelphia, Pennsylvania, 2005-2006
Department of Justice —
To explore the relationship between alcohol, drugs, and crime in the electronic dance music and hip hop nightclub scenes of Philadelphia, Pennsylvania, researchers... -
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
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
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 Documentation of Drunk Driving Arrests, 1984-1987: Los Angeles, Denver, and Boston
Department of Justice —
These data measure the effects of blood alcohol content coupled with officer reports at the time of arrest on driving while intoxicated (DWI) case outcomes (jury... -
Federal
Measuring Crime Rates of Prisoners in Colorado, 1988-1989
Department of Justice —
In the late 1970s, the Rand Corporation pioneered a method of collecting crime rate statistics. They obtained reports of offending behavior--types and frequencies of... -
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
Traffic Stop Data Collection Policies for State Police, 2004
Department of Justice —
This collection contains survey data collected at the end of October 2004 from the 49 state law enforcement agencies in the United States that had traffic patrol... -
Federal
Testing and Evaluating Body Worn Video Technology in the Los Angeles Police Department, California, 2012-2018
Department of Justice —
This research sought to evaluate the implementation of body worn cameras (BWCs) in the Los Angeles Police Department (LAPD). Researchers employed three strategies to... -
Federal
National Juvenile Court Data Archive, United States, 1985-2019
Department of Justice —
The National Juvenile Court Data Archive houses over 15 million automated records of cases handled by courts with juvenile jurisdiction. Although some states' data... -
Federal
United States Sentencing Commission (USSC): Defendants Sentenced Under the Sentencing Reform Act, 1992-2009
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 for NACJD release, but... -
Federal
Survey of Drug Enforcement Tactics of Law Enforcement Agencies in the United States, 1992
Department of Justice —
This program evaluation study is intended to capture fully the universe of drug enforcement tactics available in the United States and to assess trends in drug...