U.S. flag

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

Public policy

Cold Cases and Serial Killers (Part 1)

September 2023

In April 2018, the Golden State Killer, Joseph DeAngelo was arrested. NIJ support helped lead to his arrest, and in the aftermath of the arrest, NIJ Social Science Analyst Eric Martin was among those tasked with finding other cases NIJ helped law enforcement solve. Eric joins the show to talk about some of those cases, and answer some broader questions about serial killers: What is a serial killer? Are they on the rise? How do we know how many serial killers are currently active?

De-escalation Training: What Works, Implementation Lessons, and Taking It to Scale; Plenary at the 2023 NIJ Research Conference

August 2023

Police use of force, while infrequently used, is a tremendous concern to public safety in the United States when officers employ it excessively or inappropriately, causing injury or death and eroding public trust in law enforcement. This plenary from the 2023 NIJ Research Conference describes the Integrating, Communications, Assessment, and Tactics (ICAT) de-escalation training program developed by the Police Executive Research Forum to guide officers in defusing critical incidents.

Economic Justice for Survivors of Intimate Partner Violence

October 2022
Financial abuse is a common strategy used by those who abuse to gain power and control. The first panelist will discuss how intimate partner violence intersects with economic justice. In the second panelist's presentation, intimate partner violence shelter approaches and housing policies will be addressed. The final panelist will discuss the impact of COVID-19 on economic security and survivors’ experiences of economic hardship.

Booker and Beyond Analyzing Sentencing Reform and Exploring New Research Directions

January 2022

This webinar features a discussion of previously published research on the U.S. Supreme Court’s 2005 Booker decision - which effectively transformed the United States Sentencing Guidelines from a mandatory, to an advisory, system. The presentation will address selected research findings from the last 15 years. Individual participants will briefly review their previous research findings with particular attention paid to the analytic methods used.

NIJ-Funded Research on Mass Shootings to Advance Evidence-Based Policy and Practice

November 2021

Mass public shootings continue to threaten communities in the United States, yet research on this criminal phenomenon is limited. In this full thematic panel, renowned experts will present a series of research projects summarizing NIJ-funded research projects’ newest findings on public mass shootings. The discussion will focus on NIJ’s investment to address the phenomenon of mass shootings through innovative study approaches to advance our understanding of mass shootings and inform prevention efforts. The implications of this research to criminal justice will also be discussed.

Virtual Conference on School Safety - Closing Message

February 2021

On February 16-18, 2021, the National Institute of Justice hosted the Virtual Conference on School Safety: Bridging Research to Practice to Safeguard Our Schools. The conference offered a lot of opportunities to learn and discuss various topics related to school safety. This session will highlight key points of discussion throughout the conference. Thank you for joining us.

Terrorism Research Before and After 9/11

June 2011

The tragedy of 9/11 posed unprecedented challenges to forensic science, social science, and physical science and technology — the three bedrock sciences at NIJ. Recovering from the attack and preventing another one have became topmost priorities in the 10 years since the attack. As we approach the 10th anniversary, Gary LaFree discusses how that fateful day impacted social scientific priorities and the outcomes from those changes.