
Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.

In 1976, a 16-year-old girl is found murdered near a roadside ditch in the small town of Walton, Ky.

In October 2003, the San Diego County community was shaken by a tragic discovery: the dismembered legs of a woman were found in a dumpster.

Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.

In 1967, Susan Galvin is found dead; the case is reopened with the help of forensic genealogy in 2018.