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Profiling

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?

What’s Possible with Rapid DNA Technology?

August 2022

NIJ scientist Tracey Johnson joins science writer Sarah Michaud in this episode. They discuss Rapid DNA technology, and Tracey explains the complexities of this technology – its pitfalls and its possibilities.

Reading and Resources from NIJ:

Desistance From Crime: Implications for Research, Policy, and Practice

November 2021

Most scholars would agree that desistance from crime – the process of ceasing engagement in criminal activities – is normative. However, there is variability in the literature regarding the definition and measurement of desistance, the signals of desistance, the age at which desistance begins, and the underlying mechanisms that lead to desistance. Even with considerable advances in the theoretical understanding of desistance from crime, there remain critical gaps between research and the application of that research to practice.

Virtual Conference on School Safety - Welcome Message, Overview of CSSI, and a Philadelphia Story

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. This video includes a welcome message, an overview of the Comprehensive School Safety Initiative and School Safety Research at NIJ, and the presentation on "A Philadelphia Story: Innovating and Improving in a Large Urban District," by Abigail Gray and Kevin Bethel, School District of Philadelphia.

Legitimacy and Community Cooperation With Law Enforcement

August 2009

Tom R. Tyler, chair of the New York University psychology department, describes research on profiling and community policing. His research found that citizens of all races show greater respect for law enforcement when they believe officers are treating them fairly. Even citizens who experienced a negative outcome getting a traffic ticket, for example showed higher levels of respect for and cooperation with law enforcement as long as they believed they were not being singled out unfairly.