National Institute of Justice (NIJ): Research, Development, Evaluation
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Healthy Officers Are Safer Officers Exit Notice

Presented by the Harvard Kennedy School and NIJ.

Watch & Listen


Learn more about this year's fellows in each of our three fellowship programs:

NIJ is seeking manufacturers interested in supplying through-wall sensor devices for a planned evaluation.

The evaluation will focus on field operation in civilian law enforcement scenarios.

Find details in the Federal Register.

NIJ has funded more than 50 free or low cost software tools, apps and databases.

The catalog includes tools that can be used for digital forensics, crime mapping and analysis, finding missing persons, and more.

Browse our catalog of software, apps and databases.

Based on an NIJ-funded evaluation, an acoustic surveillance system used by law enforcement to detect, respond to, and investigate gunfire has been rated as a promising program on CrimeSolutions.gov.

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October is Domestic Violence Month

People who deal with domestic violence want to do what works — and stop doing what research shows does not work.

Research has identified a host of practical steps for reducing domestic violence.

Learn more about domestic violence research.

Attention scientists, engineers and innovators!

Body Armor

NIJ is conducting a Challenge: What if we could test the internal integrity of body armor while officers are still using it? What if we could safely extend its wear beyond the typical 3- to 5-year warranty?

Learn more about the Challenge and its prize.