Bloodline Detectives
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Bloodline DetectivesDetectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.S4, EP9 "The Murder of Little Marise"In 1964, the body of a young girl is discovered in Hazleton, Pa.; the community lives in fear that a child predator is hiding in plain sight; over 50 years later, the truth is finally revealed.
S4, EP18 "Carrie's Courage"In 1985, when a young nurse is sexually assaulted by an unknown assailant, she turns to law enforcement to catch this sexual predator; despite her horrific ordeal, she never loses hope that her attacker will be caught.
S3, EP3 "Carla's Last Dance"In 1974, a 17-year-old girl is found murdered inside a culvert.
S3, EP7 "The Christmas Tree Lady"A woman is found dead inside a cemetery in 1996.
S4, EP14 "Double Homicide in the OC"Advances in forensic science shine a light on a case that went cold for decades, revealing the name of a serial killer who murdered two women in the late 1980s in Orange County, Calif.
S4, EP15 "The Mississippi Rapist"In 1990, a Mississippi woman is kidnapped and raped at knifepoint; the case goes cold for decades until a DNA match from an unrelated crime identifies the perpetrator.
S4, EP16 "Justice Delayed"In 1972, a young woman is found covered in blood by the road in Snohomish County, WA.
"Bloodline Detectives"Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.
S3, EP11 "The Mystery of the Parks"When two children are murdered in 1986 in Tacoma, Wash., panic spreads throughout the community.
S4, EP19 "A Sadistic Killer"Decades after the 1982 killing of Christina Castiglione, investigative genetic genealogy unmasks the predator responsible for her rape and murder.
S3, EP19 "Delta Dawn Doe"Police spend decades trying to identify a baby whose body was discovered in 1982.
S3, EP20 "The Telephone Cord Killer"Police work to identify the perpetrator of a brutal murder from 1980.
S2, EP10 "San Bernardino Bodies"When a woman takes a genealogy test to learn what happened to her estranged mother, she is shocked to learn that her DNA has helped law enforcement identify a Jane Doe that remained a mystery for over 40 years.
S1, EP21 "Walking Nightmare"How the revolutionary new science of familial DNA helped catch a rapist.
S1, EP20 "The Clearfield Rapist"With the help of familial DNA, detectives are able to track down and capture a serial rapist.
S1, EP19 "The Murder of Helene Pruszynski"Following the decadeslong investigation into the murder of Helene Pruszynski.
S1, EP17 "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.
S1, EP16 "Town Path Predator"How an extensive investigation and revolutionary science of familial DNA revealed an attacker's identity.
S1, EP14 "A Life Stolen"A 69-year-old woman is found brutally murdered in 2011; after the case goes cold, new DNA technology eventually leads detectives to the truth.
S1, EP13 "Rockville Horror"In 1994, 42-year-old Le Bich-Thuy is found dead next to her home; decades later, DNA and genealogy technology allow detectives to track down the killer.
S1, EP12 "Carnage in Cardiff"A decades-long police investigation includes one of the worst miscarriages of justice in UK history.
S1, EP10 "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, EP9 "Ice Cold Murder"A beloved local teacher is brutally attacked in her Pennsylvania home; after 27 years, dedicated investigators trace her killer.
S1, EP8 "Murder in the Snow"A young woman is found beaten to death in Wisconsin in 1984; killer evades detection for decades until a revolutionary DNA method reveals his identity.
S1, EP7 "March Massacre"In 1979 two young boys find their mother's dead body in the living room; how the investigators track down the killer with no solid leads.
S1, EP6 "Road Trip to Hell"After being reported missing, a young couple's bodies are discovered more than sixty miles apart; how the dedicated investigators eventually find the killer.
S1, EP5 "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, EP3 "Deadly Desire"Police in Southern California were called to a particularly violent murder scene; advances in forensic genealogy finally solved the case.
S1, EP2 "Unrighteous Act"In 1976 a woman was left for dead in her home in southern California; despite a major manhunt, the violent killer avoided detection for over four decades.
S1, EP1 "Motorway Killer"A lorry driver is found dead behind the wheel in Camberley, England; police use a revolutionary technique of familial DNA analysis.
S1 "Sheeps Flat Murder Mystery"The police investigation into the Washoe County murder.
"The Williamsburg Rapist"Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.
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: A14
Playback: HD
2 seasons available on demand (19 episodes)
Available on
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