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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.
S2, EP12 "The Knifepoint Rapist"
A young woman out jogging is attacked and raped at knifepoint; the perpetrator continues his reign of terror by raping another five times over the next nine years.
S1, EP20 "The Williamsburg Rapist"
The story of four innocent victims and how their attacker became another successful target of the Bloodline Detectives.
S2, EP7 "The Murder of Siobhan McGuinness"
In 1974, a 5-year-old girl disappears while walking to her friend's house; 46 years later, detectives are able to put the case to rest using modern DNA technology.
S2, EP8 "Cold Case Twist"
A woman out for a walk is attacked and sexually assaulted by an unknown assailant; 14 years later, police trace a family tree using genetic genealogy and find the rapist.
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.
