U.S. flag

An official website of the United States government, Department of Justice.

Strengthen science. Advance justice.

Learn more about NIJ

a pile of digital evidence next to an evidence collection bag
digicompphoto (see reuse policy).

Improving the Collection of Digital Evidence

Two NIJ-funded projects introduce new methods and tools for collecting and processing digital evidence in cases involving child sexual abuse materials and large-scale computer networks. An NIJ Journal article reviews each new digital forensics tool, as well as NIJ’s plan to evaluate them to ensure they are forensically sound.  

people sitting in a green field on a nice day, with green trees all around
Krisztina Papp (see reuse policy).

How Probationers' Thoughts on Crime May Inform Conduct

The ways that people on probation tend to think about crime can offer important clues about whether they will resume or reject a criminal life. A recent NIJ-funded study investigated decision-making toward desistance and specifically looked at the links between probationers’ cognition and desistance, that is, refraining from crime going forward.  

railroad crossing
mbbirdy (see reuse policy).

Pathways to Desistance Among Juveniles and Adults

This white paper describes the known correlates of desistance from crime as well as the features associated with continued involvement in crime. It examines the implications for criminal justice interventions, agencies, and reintegration efforts, and offers nine recommendations on desistance-promoting criminal justice policy and practice. 

person with bare feet who has their ankles tied together with rope, sitting on a dirty floor
anankkm (see reuse policy).

What is labor trafficking?

Labor trafficking is the recruitment, harboring, transportation, provision, or obtaining of a person for labor or services, through the use of force, fraud, or coercion for the purpose of subjection to involuntary servitude, peonage, debt bondage, or slavery, as defined by the Trafficking Victims Protection Act (TVPA) of 2000.

NIJ’s Term of the Month promotes research-based definitions of criminal justice terms.

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. 

Recent NIJ Webinar Recordings

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

Body-Worn Cameras’ Effects on Police Officer Behavior

This practice involves the use of body-worn cameras by law enforcement. The aim of this practice is to record interactions from an officer’s point of view to improve accountability and positively affect police officer behavior. 

Happy Families (Thailand)

Happy Families was a parenting and family skills intervention for displaced Burmese migrant families in Thailand. Happy Families was intended for families with children between the ages of 8 and 12. The overall program goal of the Happy Families program was to improve parent-child and family relationships. 

Tact, Tactics, and Trust (T3) Training Program

This is a police training to develop officers' decision-making, de-escalation, empathy, rapport-building, and self-control skills to discourage use of force in interactions with citizens. 

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.