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Gun Density, Gun Type, and the Dallas Homicide Rate, 1980-1992
This study examined the relationships among trends in deadly gun violence, overall gun availability, and the availability of more lethal types of guns. Using firearms... -
Homicides in Chicago, 1965-1995
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, Part 1,... -
Operation and Structure of Right-Wing Extremist Groups in the United States, 1980-2007
The purpose of this study was to address some of the gaps in what is known about right-wing terrorism by (1) comparing right-wing extremist "advocates" with "implementers", and... -
Common Operational Picture Technology in Law Enforcement: Three Case Studies, Baton Rouge, Louisiana, Camden County, New Jersey, Chicago, Illinois, 2015-2019
The use of common operational picture (COP) technology can give law enforcement and its public safety response partners the capacity to develop a shared situational awareness to... -
Criminal Recidivism in a Large Cohort of Offenders Released from Prison in Florida, 2004-2008
The purpose of the study was to quantify the effect of the embrace of DNA technology on offender behavior. In particular, researchers examined whether an offender's knowledge... -
Impact of Casino Gambling on Crime in the Atlantic City Region, 1970-1984
The aim of this data collection was to gauge the impact of legalized casino gambling on the level and spatial distribution of crime in the Atlantic City region by comparing... -
Gender, Mental Illness, and Crime in the United States, 2004
The purpose of the study was to examine the gendered effects of depression, drug use, and treatment on crime and the effects of interaction with the criminal justice system on... -
Database for Forensic Anthropology in the United States, 1962-1991
This project was undertaken to establish a computerized skeletal database composed of recent forensic cases to represent the present ethnic diversity and demographic structure... -
Intercity Variation in Youth Homicide, Robbery, and Assault, 1984-2006 [United States]
The research team collected data on homicide, robbery, and assault offending from 1984-2006 for youth 13 to 24 years of age in 91 of the 100 largest cities in the United States... -
Felonious Homicides of American Police Officers, 1977-1992
The study was a comprehensive analysis of felonious killings of officers. The purposes of the study were (1) to analyze the nature and circumstances of incidents of felonious... -
Post-Conviction DNA Testing and Wrongful Conviction Data from Sexual Assault and Homicide Cases in Virginia, 1973-1988
This study examined the results of new DNA testing of old physical evidence from 634 sexual assault and homicide cases resulting in 715 convictions that took place in Virginia... -
Effects of Marijuana Legalization on Law Enforcement and Crime, Washington, 2004-2018
This study sought to examine the effects of cannabis legalization on crime and law enforcement in Washington State. In 2012 citizens voted to legalize possession of small... -
Effects of a Middle School Social-Emotional Learning Program on Bullying, Teen Dating Violence, Sexual Violence, and Substance Use in High School, Illinois, 2010-2016
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, but not... -
A Randomized Impact Evaluation of Capturing Kids' Hearts, South Carolina, 2016-2018
Funded by the National Institute of Justice, and in collaboration with the Flippen Group, the South Carolina Department of Education, and the districts of Charleston,... -
Census of Urban Crime, 1970
This data collection contains information on urban crime in the United States. The 331 variables include crime incidence, criminal sanctions, police employment, police... -
Understanding and Measuring Bias Victimization Against Latinos, San Diego, CA, Galveston, TX, Houston, TX, Boston, MA, 2018-2019
This study surveyed immigrant and non-immigrant populations residing in high Latino population communities in order to: Assess the nature and pattern of bias motivated... -
Finding Victims of Human Trafficking, 2005-2008 [United States]
This study was a response to the Trafficking Victims Protection Reauthorization Act passed by Congress in 2005, which called for a collection of data; a comprehensive... -
Process Evaluation of the Demonstration Project to Address Commercial Sexual Exploitation of Children in Atlanta-Fulton County, Georgia, United States 2006-2009
In the fall of 2002 the Juvenile Justice Fund (JJF), a nonprofit organization whose mission is to positively impact the lives of youth and their families who come into contact... -
Forensic Evidence and the Police, 1976-1980
This data collection focuses on adult cases of serious crime such as homicide (and related death investigations), rape, robbery, aggravated assault/battery, burglary, and arson.... -
Multi-site National Institute of Justice Evaluation of Second Chance Act Reentry Courts in Seven States, 2012-2016
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, but not...
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