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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.
S1, EP19 "Walking Nightmare"
How the revolutionary new science of familial DNA helped catch a rapist.
S2, EP11 "The Murder Mystery of Mary London"
In 1981 a young woman is found murdered on the side of the road; who killed her remains a mystery for decades until law enforcement can utilize genetic genealogy to crack the case.
S2, EP6 "The Alameda Attacker"
In 1997, a woman is attacked on her route home; a suspect is arrested over 20 years later with the help of a genetic genealogical search.
S1, EP5 "March Massacre"
In 1979 two young boys find their mother's dead body in the living room; how the investigators track down the killer with no solid leads.
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.
