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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.

Bloodline Detectives

S1, EP19 "Walking Nightmare"

How the revolutionary new science of familial DNA helped catch a rapist.

Bloodline Detectives

S1, EP20 "The Williamsburg Rapist"

The story of four innocent victims and how their attacker became another successful target of the Bloodline Detectives.

Bloodline Detectives

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.

Bloodline Detectives

S1, EP14 "The Clearfield Rapist"

With the help of familial DNA, detectives are able to track down and capture a serial rapist.

Bloodline Detectives

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.

Bloodline Detectives

S4, EP19 "The Sadistic Killer"

Investigative genetic genealogy unmasks the sexual deviant who raped and killed Christina Castiglione in 1983.

Bloodline Detectives

S4, EP18 "Carrie's Courage"

A woman who was sexually assaulted at gunpoint in the 1980s contacts a genetic genealogist to solve her case.

Bloodline Detectives

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.

Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.
Original Air Date: Apr 23, 2020
Genres: DocuseriesTV Series
Rating: TV14
Playback: HD
4 seasons available on demand
Available on

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