U.S. flag

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

Multimedia Listing

Statistics 101

August 2023

This training was presented as a part of the National Center on Forensics conference at George Mason University on August 9th, 2023. It is common for statistics to be used to contextualize the significance of evidence in a court of law. However, these statistics can be difficult to decipher without proper instruction. In this session, pathologist Dr. Dan Milner breaks down common uses of statistics in an easily-digestible way in order to elevate viewer’s understanding.

DNA 101

August 2023

This training was presented as a part of the National Center on Forensics conference at George Mason University on August 8th, 2023. In this session, FBI Forensic DNA Examiner Amanda Bakker introduces all the most vital concepts of DNA analysis and evidence. For those who aren’t DNA analysts but work in tangential fields such as law enforcement and criminal justice, this session will be incredibly useful for understanding topics such as what DNA is, how it transfers, how it is collected, and how it is analyzed.

Cannabinoid Conundrums Webinar Series Expert Panel

August 2023

As evident by the Cannabinoid Connundrums webinar series, the rapidly changing world of cannabinoids offers many conundrums. To tackle some of these questions, Dr. Ruth Winecker led a panel discussion with Dr. Ed Cone, Dr. Nathalie Desrosiers, Mr. Justin Poklis, and Mr. Nelson Santos. This diverse slate of thought leaders includes experts in analytical chemistry, forensic toxicology, clinical research, and drug chemistry. This webinar was hosted by the NIJ Forensic Technology Center of Excellence on August 3, 2023. 

Cannabinoid Pharmacology: Three Decades of Controlled Human Cannabinoid

August 2023

Controlled drug administration studies are valuable tools for acquiring a detailed understanding of the pharmacodynamic and pharmacokinetic profiles of cannabinoids. ∆9-tetrahydrocannabinoid (THC) is the primary psychoactive cannabinoid in cannabis with the potential to negatively impact cognitive and psychomotor performance and workplace safety. These studies establish behavioral and subjective effect profiles while simultaneously collecting pharmacokinetics data.

Progressing from Evidence to Action

July 2023

A large body of research on crime and justice is available, yet it can take years for findings to influence practice in the field. During a recent panel at NIJ’s 2023 National Research Conference, researchers and practitioners shared ideas and discussed practical steps and promising new approaches to inspire change. Three guests join the show to continue their conversation: Dr. Tamara Herold, a senior advisor to NIJ, hosts Dr. Shon Barnes, the police chief of the Madison (Wisconsin) Police Department, and Dr.

Estimating Age of Death from Subadult Remains, Part 2

July 2023

The long-standing problem of estimating the age and sex of subadult skeletal remains has been significantly "solved" with the advances in understanding the growth and development patterns in the skeletons of young people. This is the second half of the conversation with Kyra Stull, an anthropologist and forensic researcher at University of Nevada, Reno, Danielle McLeod-Henning, a physical scientist at NIJ, host Jim Dawson.