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Public Mass Shootings Research

A special report presents a synthesis of select findings from NIJ-supported research projects on public mass shootings, including school mass shootings, and identifies areas of need and interest for future research and recommendations.

NIJ’s 2024 National Research Conference

NIJ’s 2024 National Research Conference will take place September 16-18 in Pittsburgh, Pennsylvania. We’re currently accepting submissions for lightning talk presentations and for our poster session. Interested in sharing your research? Submissions for both opportunities are due by Friday, March 1, 2024, at 11:59 p.m. ET.

Preventing Domestic Terrorism with Research

NIJ-funded research projects have led to a better understanding of the processes and factors that increase the risk of radicalizing to violence, and how best to prevent and respond to violent extremism. A new NIJ Journal article summarizes over 20 years of research findings and offers implications for advancing policy and practice.

Term of the Month - Push and Pull Factors

In criminology, push and pull factors are conditions that lead people either toward or away from criminal behaviors or extremist ideologies.

Criminal Justice Data Archives

The National Archive of Criminal Justice Data archives data on crime and justice and contains data from over 2,700 curated studies or statistical data series. The website is home to several large-scale datasets, including the National Crime Victimization Survey, FBI's Uniform Crime Reports and National Incident-Based Reporting System, and the Project on Human Development in Chicago Neighborhoods.

List of Compliant Ballistic Resistant Body Armor
Cali9/iStock (see reuse policy).

List of Compliant Ballistic Resistant Body Armor

NIJ certifies torso-worn ballistic resistant body armor for law enforcement that complies with the requirements our Compliance Testing Program. If you’re in the law enforcement profession, review a newly updated list of all compliant armor, searching by manufacturing company, gender, threat levels, and other factors.

Listen, Learn, Inform - About NIJ

Find funding opportunities

Find funding opportunities

NIJ awards research, development, testing, and evaluation grants.
Read the latest

Read the latest

Review a list of publications and articles from both NIJ and the researchers we fund.
Register for events

Register for events

Check out a list of our upcoming events. If you don't see anything of interest, we also offer a number of recorded, on-demand event and training opportunities.
Browse all topics

Browse all topics

Find articles and other information on a wide variety of criminal justice topics.

CrimeSolutions Program and Practice Ratings

Promoting First Relationships for Native Families

This is a home-visiting program to foster positive caregiver–child relationships in Native families.

Impact of the Wraparound Program for Dually Involved Youth (Florida) on Youth Arrests

The program is an intensive case management model for providing services to youths simultaneously involved in the child welfare and juvenile justice systems, with the goal of reducing recidivism.

Schoolwide Positive Behavior Interventions and Supports

This practice utilizes a multi-tiered system of supports designed to make schools more effective in establishing a school culture and building a behavioral supports system to improve students’ behavioral, social, emotional, and academic outcomes. It involves three tiers of support, including both prevention and intervention efforts.

Person holding a pen at an event.
Motorion/iStock (see reuse policy).

The First Step Act

The First Step Act of 2018 aims to reform the federal prison system and reduce recidivism. NIJ is working to assess and develop an existing risk and needs assessment system for incarcerated individuals, and develop recommendations regarding effective evidence-based recidivism reduction programs and activities.