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Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.
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S3 "The School Girl Murderer"
Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.
S4, EP17 "Murder in Apartment 101"
In 2022, investigative genetic genealogy exposes a killer who stabbed a woman to death in her home in 1980.
S3, EP15 "Her Last New Year's Eve"
New forensic science may finally be able to reveal who murdered Tonya McKinley on New Year's Eve in 1985.
S4, EP9 "The South Lake Tahoe Strangler"
Police work for decades with emerging forensic sciences to identify the killer of two women in Lake Tahoe.
S4, EP20 "Murder in Marietta"
The 1972 rape and murder of 9-year-old Debbie Lynn Randall is solved thanks to new science - 50 years later.
S4, EP19 "The Sadistic Killer"
Investigative genetic genealogy unmasks the sexual deviant who raped and killed Christina Castiglione in 1983.
S4, EP18 "Carrie's Courage"
A woman who was sexually assaulted at gunpoint in the 1980s contacts a genetic genealogist to solve her case.
S4, EP17 "Murder in Apartment 101"
In 2022, investigative genetic genealogy exposes a killer who stabbed a woman to death in her home in 1980.
