This episode delves into the growing field of genetic genealogy, where amateur sleuths are using consumer DNA testing and online family trees to crack decades-old cold cases. We'll explore how these 'citizen scientists' are leveraging public DNA databases to hunt down suspects and identify victims, often making breakthroughs that eluded professional investigators. We'll also examine the legal and privacy implications of this technique, as well as the emotional journeys of victims' families who find closure through the efforts of these amateur detectives.

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