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Mass shooting

Investigator-Initiated Research and Evaluation of Firearms Violence, Fiscal Year 2020

Closing Date
NIJ is seeking applications for the funding of research and program evaluation projects that inform efforts to prevent and reduce intentional, interpersonal firearm violence and mass shootings in the United States. NIJ will support scientifically rigorous research and evaluation projects designed to strengthen the scientific knowledge base and produce findings with high practical utility to improve public safety.

Protecting Against Stress & Trauma: Research Lessons for Law Enforcement – Next Steps

October 2019
At this Research for the Real World seminar, NIJ brought together law enforcement practitioners and leading researchers in the field of stress to discuss the current research evidence and practical benefits of targeted stress-management interventions and how they can promote officer mental wellness. In addition, this gathering provided an exploration into what additional research is needed to best support officer health and wellness, potentially highlighting priority areas for future research.

Rare Incidents Data Collection Methods to Advance Research on Mass Violence

Thank you and welcome. It is most gratifying for us at NIJ to host, interact with, and learn from our expert research partners. 

We appreciate that you’ve come from all over the country to convene with us here in San Antonio, Texas—the home of “The Alamo.” 

The Importance of Mass Violence Research 

I am David Muhlhausen, the Director of the National Institute of Justice. As...

Chicago Ceasefire

June 2009

CeaseFire is an evidence-based, data-driven intervention designed to stop shootings and killings in high-incidence neighborhoods by directly intervening with those who are most likely to be involved in a shooting and by building support for alternatives to violence in those neighborhoods. Panel members will share their experiences “on the ground” mediating conflicts and working one-on-one with high-risk individuals.