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Human Trafficking Prevention Month

Human trafficking response practitioners—and survivors—can benefit from rigorous research findings. Each January, we highlight the latest resources that NIJ-supported scientists and partners developed to support the field. These resources can help guide efforts to improve and expand the system response, from prevention to prosecution.

Well-Being Research in Prisons and Jails

Researchers are redefining what success means for those currently or formerly incarcerated by reframing corrections research with human-focused outcomes related to well-being, rather than crime-focused outcomes related to reoffending. Several NIJ-supported studies offer evidence to support this critical cultural transformation.

Updated Body Armor Standard
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Updated Body Armor Standard

NIJ has issued an updated standard for ballistic resistant body armor, tailored to the needs of law enforcement and other criminal justice agencies. The standard specifies minimum performance requirements and test methods for the ballistic resistance of body armor used by law enforcement intended to protect against handgun and rifle ammunition.

Cold Case
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Term of the Month - Cold Case

 A cold case is a criminal case that has remained unsolved for an extended period with no fresh investigative leads. The length of time before a case is officially classified as a cold case differs from jurisdiction to jurisdiction, and the timeframe can depend on the seriousness of the crime.

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
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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.
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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.