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National Missing and Unidentified Persons System (NamUs)

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?

Serial Killer Connections Through Cold Cases

Date Published
June 15, 2020

Cold case investigations have revealed that, in many cases, those responsible also are responsible for multiple crimes. Therefore, prioritizing cold case investigations can assist in both resolving crimes and preventing future ones.

Cold Case Investigation Units and Advances in Investigative Techniques

March 2020

Sergeant Jason Moran of the Cook County (IL) Sheriff’s Office discusses the current situation of cold cases in the United States, why it’s important to establish cold case units, how current tools and technology can help solve cold cases, and what National Institute of Justice resources are available to assist in solving cold cases.

Sergeant Moran was a participant on an NIJ Saturday Session panel at IACP 2019.

Researcher-Practitioner Partnerships

Thank you, and good morning. My name is Howard Spivak and I am the Principal Deputy Director of the National Institute of Justice, NIJ.

For those of you who aren’t familiar, NIJ is the research, development, and evaluation agency of the U.S. Department of Justice. We use science to inform and advance criminal justice policies and practices across the country. To do this, we provide...