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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.
S3, EP2 "The Greeley Rapist"
A seven-year-old girl is kidnapped and raped, but it takes almost 20 years for her assailant to be caught.
S4, EP6 "Murder by I-59"
A Jane Doe found by the side of the I-59 is unidentified until forensic science provides answers years later.
S4, EP13 "The Three Rivers Killer"
Investigative genetic genealogy reveals the killer of a young mother murdered in her own home 34 years prior.
S3, EP3 "Carla's Last Valentine's"
Carla Walker is raped and killed on Valentine's Day, 1974, leading to a cold case that takes 46 years to crack.
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.