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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, EP14 "The Clearfield Rapist"

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

S1, EP8 "Blood Bath"

A young woman's body is discovered close to her home in Bath, England; police eventually track down the perpetrator of the heinous attack.

S1, EP13 "Llandarcy Serial Killer"

In 1973, two young girls are found murdered in the Welsh village of Llandarcy; the killer's identity remains a mystery until 2002.

S1, EP15 "The Murder of Tangie Sims"

The exhaustive investigation into the murder of Tangie Sims; how genetic genealogy gave investigators the break they'd been waiting for.

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.

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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