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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."Bloodline Detectives"Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.
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.
S4, EP16 "Justice Delayed"DNA science unveils a predator who sexually assaulted a 20-year-old before shooting her in Washington in 1972.
S4, EP15 "The Mississippi Rapist"A man who raped two women in 1990 is put behind bars thirty years later thanks to advancements in science.
S4, EP14 "Double Homicide in the OC"Forensic science reveals the name of a sadistic killer who murdered two women in the late 80s.
S4, EP13 "The Three Rivers Killer"Investigative genetic genealogy reveals the killer of a young mother murdered in her own home 34 years prior.
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.
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, EP10 "Stabbing in Sacramento"Through detailed genetic profiling, the cold case of who killed Robin Brooks is finally cracked years later.
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, EP8 "The Murder of Little Marise"A young girl's rape and murder is unsolved for years until an unexpected hero identifies her killer.
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, EP6 "Murder by I-59"A Jane Doe found by the side of the I-59 is unidentified until forensic science provides answers years later.
S4, EP5 "The Court Reporter Murder"The identity of Nancy Bennallack's murderer is a mystery until the advent of investigative genetic genealogy.
S4, EP4 "The Mammoth Lakes Murder"The identities of a woman and her killer are mysteries for years - until genetic genealogy offers answers.
S4, EP3 "Murder on Elm Street"Donna Sue Hyatt's murder is unsolved for decades until modern forensic science catches up.
S4, EP2 "Horror by the Roadside"The murder of Carol Sue Klaber is cold for decades until new technology can finally bring her killer to light.
S4, EP1 "The NorCal Rapist"The NorCal Rapist terrorizes the women of North California for years until forensic science can identify him.
S3, EP20 "Michelle Wyatt"Michelle Wyatt is found strangled to death in 1980; few leads arise until 41 years later, thanks to forensics.
S3, EP19 "Delta Dawn"Police are stumped when a toddler's body is found in Escatawpa River, leading to a decades-long mystery.
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.
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.
S3, EP16 "Dancing With Death"The 30-year hunt for a killer starts when Darlene Krashoc's body is found behind a restaurant in 1987.
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.
S3, EP14 "The Schoolbag in the Road"In Las Vegas, 1989, 14-year-old Stephanie Isaacson is raped and murdered.
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, EP12 "Murder by the Base"Investigative genetic genealogy solves the decades-old rape and murder of Naval recruit Pamela Cahanes.
S3, EP11 "The Mystery in the Parks"Genetic genealogy brings answers to the families of two little girls who were murdered in 1986 in Tacoma, Wash.
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, EP9 "The Slaying of Sylvia Quayle"Sylvia Quayle is murdered in her Colorado home; four decades later, science brings her killer to justice.
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, EP7 "Christmas Tree Lady"When an unknown woman commits suicide in a cemetery in 1996, the mystery of who she is lasts for decades.
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, 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, 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, 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.
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, EP1 "Date Night Murder in Michigan"In 1987, Terry Wood finds his wife Roxanne dead; genetic genealogy pinpoints her killer 35 years later.
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.
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.
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, 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, 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, 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.
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, 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, 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, EP11 "The Murder Mystery of Mary London"In 1981 a young woman is found murdered on the side of the road; who killed her remains a mystery for decades until law enforcement can utilize genetic genealogy to crack the case.
S2, EP10 "San Bernadino Bodies"A woman takes a genealogy test to learn what happened to her estranged mother and is shocked to learn her DNA helped law enforcement identify a Jane Doe that remained a mystery for decades.
S2, EP9 "Montana Creek Murders"When a woman is found dead in her home, detectives are left with more questions than answers.
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.
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.
S2, EP6 "The Alameda Attacker"In 1997, a woman is attacked on her route home; a suspect is arrested over 20 years later with the help of a genetic genealogical search.
S2, EP5 "Left for Dead in Logan County"In 1993, a 19-year-old woman is kidnapped and raped; a private forensic genealogy company is able to track down the suspect.
S2, EP4 "A Sinful Act in St. George"A small community in Utah is shocked when an elderly woman is attacked in her own home; detectives use innovative techniques to solve the case.
S2, EP3 "The Montana Murders"A young couple is murdered in Montana in 1956; in 2019, investigators use voluntary genealogical databases to catch the killer.
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, EP1 "Body in the Stairwell"In 1999, hospital worker Jennifer Watkins is sexually assaulted and murdered; 20 years later, revolutionary DNA testing helps to solve the cold case.
S1, EP20 "The Williamsburg Rapist"The story of four innocent victims and how their attacker became another successful target of the Bloodline Detectives.
S1, EP19 "Walking Nightmare"How the revolutionary new science of familial DNA helped catch a rapist.
S1, EP18 "Town Path Predator"How an extensive investigation and revolutionary science of familial DNA revealed an attacker's identity.
S1, EP17 "The Murder of Helene Pruszynski"Following the decadeslong investigation into the murder of Helene Pruszynski.
S1, EP11 "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, EP10 "Sheeps Flat Murder Mystery"The police investigation into the Washoe County murder.
S1, EP7 "Motorway Killer"A lorry driver is found dead behind the wheel in Camberley, England; police use a revolutionary technique of familial DNA analysis.
S1, EP2 "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.
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 (68 episodes)
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