In Atlanta, the brutal rape and double homicide of siblings left detectives with plenty of evidence but no suspect. For years, the case went cold. Then, a violent crime in Michigan revealed new DNA leads that could finally identify the killer, and deliver long-awaited justice for the Sumpter family while their mother is still alive to see it.

America’s Crime Lab is a true crime podcast about how science solves cold cases, missing persons, and other unsolved cases. Hosted by journalist and clinical psychologist Elin Lantz Lesser, and powered by Othram’s forensic DNA lab, the show connects the science to the story, revealing what really happens in the lab and why it matters.