In Part 3 of our Carla Walker investigation, a decades-old DNA sample is reexamined at Othram’s lab, leading to a breakthrough. Host Elin Lantz Lesser and producer Catherine Fenollosa walk us through the science behind the profile, the chain of custody, and the unexpected match that emerges from the database.

After 46 years, this cold case finally has a viable lead.

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.

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