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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.
S2, EP8 "Cold Case Twist"A woman out for a walk is attacked and sexually assaulted by an unknown assailant; 14 years later, police trace a family tree using genetic genealogy and find the rapist.
S4, EP9 "The South Lake Tahoe Strangler"Police work for decades with emerging forensic sciences to identify the killer of two women in Lake Tahoe.
S4, EP11 "The Phoenix Canal Killer"Cutting-edge DNA science finally names the Phoenix Canal Killer who terrorized the city in the early 90s.
S4, EP12 "Mommy Has Been Murdered"Investigative genetic genealogy is used to resolve the 1988 murder of a mother killed in front of her toddler.
S3 "The School Girl Murderer"Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.
S2, EP12 "The Knifepoint Rapist"A young woman out jogging is attacked and raped at knifepoint; the perpetrator continues his reign of terror by raping another five times over the next nine years.
S2, EP13 "Gunpoint Horror"In Alexandria, Va., in 2016, a young female lifeguard is raped while working at a local pool; police soon learn of a similar incident in Fairfax.
S2, EP14 "The Hunt for Precious Jane Doe"In August 1977, the body of a young girl is discovered by blackberry pickers in Everett, Wash.; she had been strangled and shot, and investigators launched a two-tiered investigation.
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"Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.
S2, EP16 "A Family Torn Apart"In 1998, the bodies of Megan and Sherri Scherer are found lifeless in their sitting room in Portageville, Mo.; both had been shot in the head several times.
S2, EP17 "Justice for Leslie"In 1976, Leslie Penrod Harris storms out of a restaurant after an argument with her husband; hours later, her naked body is found near El Toro Air Base 20 miles away.
S2, EP18 "Cuyahoga Falls Mystery"In Ohio in December 1987, the nude body of 17-year-old Barbara Blatnik is found face down on a rural road; she had been raped and strangled.
S2, EP19 "Chilling Notes From a Killer"In 1988, Janet Tinsley reports her 8-year-old daughter April missing after she fails to return home; three days later, a man out jogging makes a gruesome discovery in a nearby ditch.
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.
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, EP19 "The Sadistic Killer"Investigative genetic genealogy unmasks the sexual deviant who raped and killed Christina Castiglione in 1983.
S2, EP20 "The Boy in the Bundle"On June 11, 1963, a man fishing in Oregon reels in the body of a toddler; the child had been wrapped in blankets and weighed down by iron molds.
S3, EP1 "Date Night Murder in Michigan"In 1987, Terry Wood finds his wife Roxanne dead; genetic genealogy pinpoints her killer 35 years later.
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.
S3, EP4 "Last Seen at Dairy Queen"In 1979, Kim Bryant's body is discovered in the Las Vegas desert; it takes law enforcement 40 years to name her killer.
S3, EP5 "The Coat Hanger Killer"Thirty eight years after her murder, Linda Slaten's sons finally learn who killed their mother thanks to DNA science.
S3, EP6 "The Mystery of the Headphones"A killer evades justice for the murder of Diana Hanson for 38 years until genetic genealogy can identify him.
S3, EP8 "Little Miss Nobody"A case of an unidentified body and a child abduction from the 1960s may be more connected than police thought.
S3, EP9 "The Slaying of Sylvia Quayle"Sylvia Quayle is murdered in her Colorado home; four decades later, science brings her killer to justice.
S3, EP10 "Valentine's Day Murder"DNA science finally identifies both killer and victim from a murder that took place back in Florida in 1991.
S3, EP12 "Murder by the Base"Investigative genetic genealogy solves the decades-old rape and murder of Naval recruit Pamela Cahanes.
S3, EP13 "The Murder of Mary Scott"When Mary Scott is found murdered in her San Diego home, an investigation is opened that will last 51 years.
S3, EP14 "The Schoolbag in the Road"In Las Vegas, 1989, 14-year-old Stephanie Isaacson is raped and murdered.
S3, EP15 "Her Last New Year's Eve"New forensic science may finally be able to reveal who murdered Tonya McKinley on New Year's Eve in 1985.
S2, EP2 "Sacrilege in Sacramento"In Sacramento, three women are assaulted by the same man; investigators use genealogy technology to track down the suspect.
S2, EP7 "The Murder of Siobhan McGuinness"In 1974, a 5-year-old girl disappears while walking to her friend's house; 46 years later, detectives are able to put the case to rest using modern DNA technology.
S4, EP7 "The Huntington Beach Body"Both the killer and the victim of a slaying in Huntington Beach are revealed after 52 years using DNA science.
S4, EP5 "The Court Reporter Murder"The identity of Nancy Bennallack's murderer is a mystery until the advent of investigative genetic genealogy.
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
1 seasons available on demand (2 episodes)
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