Watch S4, EP19: The Sadistic Killer for $0 Today
Investigative genetic genealogy unmasks the sexual deviant who raped and killed Christina Castiglione in 1983.
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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, EP19 "Walking Nightmare"
How the revolutionary new science of familial DNA helped catch a rapist.
S2, EP15 "The Rapid City Rapist"
In 1968 in South Dakota, 60-year-old pharmacist Gwen Miller is found dead -- but the case goes cold and remains so for decades.
S1, EP11 "Rockville Horror"
In 1994, 42-year-old Le Bich-Thuy is found dead next to her home; decades later, DNA and genealogy technology allow detectives to track down the killer.
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.
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