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Bloodline Detectives
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, EP19 "Chilling Notes From a Killer"
In 1988, Janet Tinsley reports her 8-year-old daughter April missing after she fails to return home; three days later, a man out jogging makes a gruesome discovery in a nearby ditch.
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.
S2, EP18 "Cuyahoga Falls Mystery"
In Ohio in December 1987, the nude body of 17-year-old Barbara Blatnik is found face down on a rural road; she had been raped and strangled.
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.
