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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

S3, EP17 "The McLeary Rapist"

A town in Washington lives in fear after a 17-year-old girl is abducted and raped without a suspect in sight.

Bloodline Detectives

S4, EP19 "The Sadistic Killer"

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

Bloodline Detectives

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.

Bloodline Detectives

S3, EP18 "The Mint Box Murder"

The 1959 rape and murder of 9-year-old Candy Rogers in Spokane, Wash., is solved six decades later thanks to DNA.

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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