For over thirty years, the bodies found in barrels in the woods of New Hampshire were a mystery that haunted the community. Investigators had no names, no suspects, and no leads—until a revolutionary forensic technique changed everything. This video explores how forensic genealogy was used to unmask a serial killer who had been living under a different alias in every state he visited. We trace the investigation that finally linked Terry Peder Rasmussen to the Bear Brook murders and explain how DNA technology turned a decades-old cold case into a solved mystery. Discover the high-stakes world of genetic genealogy and how it is rewriting the rules for cold case investigators. If you enjoy stories about how modern tech solves impossible crimes, this is for you.

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