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During this episode, Detective Johnson and Dr. Williamson describe how decades of determined police work and cutting-edge forensic science identified Joe Michael Ervin as the person who assaulted and murdered four women between 1978 and 1981.

National Institute of Justice Senior Science Writer Maya Pilkington is joined by “the Paintball Lady” – Dr. Katherine Scafide. Dr. Scafide shares how her research on detecting bruises and skills as a forensic nurse help pediatric and adult assault and domestic violence victims by providing clear documentation. 

NIJ communications assistant Josh Mondoro explores novel psychoactive substances with NIJ scientist Frances Scott. She explains what NPSs are, current research in the field, and the practical impact of this research for law enforcement and policymakers.

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.

Gregory Dutton, a physical scientist at NIJ, and science writer Jim Dawson continue their conversation on the microbiome: what it is, how it applies to forensics, and the evolution of its role in forensic science.

Gregory Dutton, a physical scientist at NIJ, joins science writer Jim Dawson to discuss the microbiome: what it is, how it applies to forensics, and the evolution of its role in forensic science.