Bloodline Detectives

Bloodline Detectives69%

TV 2020-04-23 Documentary Crime
★ 7.5 / 10 · 4 votes
Ratings
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69.1 %
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IMDb
6.5 /10
184 votes
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70 %
13 votes
TMDB
75 %
4 votes

Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.

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Status
Returning Series
Seasons
6
Episodes
120
Networks
Country
United Kingdom
Language
English
Links
Season 1 2020 · 20 eps
  1. 1 Motorway Killer In March 2003, a lorry driver was found dead behind the wheel in Camberley, England. Police gambled on the revolutionary technique of familial DNA analysis. Apr 23, 2020
  2. 2 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. Apr 30, 2020
  3. 3 Deadly Desire On Valentines' Day 2007, police in Southern California were called to a particularly violent murder scene. Advances in forensic genealogy finally solved the case. May 7, 2020
  4. 4 Scottsdale Spree Shooting In 2018, two paralegals were shot dead whilst at work in Scottsdale, Arizona. Four more victims were linked to the killing - who was the serial killer? May 14, 2020
  5. 5 Blood Bath In 1984, a young woman's body was discovered in a lane close to her home in Bath, England. How did police eventually track down the perpetrator of this heinous attack? May 21, 2020
  6. 6 Road Trip to Hell After being reported missing, a young couple's bodies were discovered more than 60 miles apart. Dedicated investigators set out to find their killer. May 28, 2020
  7. 7 March Massacre In 1979, two young boys came home from school to find their mother's dead body in the living room. Investigators set out to track down the killer with no firm leads. Jun 4, 2020
  8. 8 Murder in the Snow After a young woman was found beaten to death in Wisconsin in 1984, the killer evaded detection for decades. However, a revolutionary DNA method later revealed his identity. Jun 11, 2020 60m
  9. 9 Ice Cold Murder The murder of a respected teacher brutally attacked in her Pennsylvania home. Her death shocked the community, though it took 27 years for dedicated investigators trace her killer. Jun 18, 2020
  10. 10 Llandarcy Serial Killer In 1973, two schoolgirls were found murdered in the Welsh village of Llandarcy. The killer's identity would remain a mystery until 2002. Jan 7, 2021 45m
  11. 11 Sheeps Flat Murder Mystery In 1982, a woman is found shot to death near Lake Tahoe. 37 years later, ground-breaking technology would help identify both the victim and the killer. Jan 14, 2021 45m
  12. 12 Carnage in Cardiff In 1988, police discover the mutilated body of Lynette White. 25 years later, a ground-breaking DNA technique would finally lead detectives to the killer. Jan 21, 2021 45m
  13. 13 The 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. Jan 28, 2021 45m
  14. 14 A Life Stolen 69-year-old Evelynne Derricott is found brutally murdered in 2011. After the case goes cold, new DNA technology eventually leads detectives to the truth. Feb 4, 2021 45m
  15. 15 Walking Nightmare In 1986, in Kent, a teenage girl is on her way to the shops when she is attacked and sexually assaulted. Decades later, new DNA technology reveals the perpetrator. Feb 11, 2021 45m
  16. 16 Town Path Predator In 2001, a young couple were brutally assaulted in Salisbury, Wiltshire. Over a decade later, new DNA technology helped lead investigators to the attacker. Feb 20, 2021 45m
  17. 17 The Murder of Tangie Sims In Colorado, in 1996, a young woman's body was found in an alley. After the case goes cold, advancements in genetic technology lead police to the killer. Feb 27, 2021 45m
  18. 18 The Williamsburg Rapist In 2001, a student is attacked in Williamsburg, Virginia and months later the attacker strikes again. Finally, new DNA technology reveals the perpetrator. Mar 3, 2021 45m
  19. 19 The Murder of Helene Pruszynski In 1980, a young woman disappears and her body is discovered shortly after. Almost 40 years later, new DNA technology reveals the attacker. Mar 13, 2021 45m
  20. 20 The Clearfield Rapist A series of brutal and terrifying sexual assaults occur across northern Utah and Wyoming. 17 years later, new DNA technology reveals the perpetrator. Mar 20, 2021 45m
Season 2 2021 · 20 eps
  1. 1 Body in the Stairwell In 1999, hospital worker Jennifer Watkins was sexually assaulted and murdered. Two decades later, revolutionary DNA testing helps to solve this cold case. Oct 28, 2021
  2. 2 Sacrilege in Sacramento In 1992, a woman is sexually assaulted in Sacramento, California by a man wearing a ski mask. This sexual predator continues to commit heinous crimes until new evidence exposes hi… Oct 28, 2021 60m
  3. 3 The Montana Murders When two teens are found dead in Montana, detectives suspect an infamous gangster might be responsible. But it will take 65 years to find the true culprit. Nov 4, 2021 60m
  4. 4 Sinful Act In St George A small community in Utah is shocked when an elderly woman is brutally attacked in her own home. Detectives use innovative techniques to solve the case. Nov 11, 2021
  5. 5 Left for Dead in Logan County After decades of searching, Ohio detectives use ground-breaking technology to hunt down the man who abducted and sexually assaulted a 19-year-old woman. Nov 18, 2021
  6. 6 The Alameda Attacker In 1997, two women are sexually assaulted in separate attacks. Forensic evidence suggests the crimes are linked, but it takes over two decades to find the perpetrator. Nov 25, 2021
  7. 7 The Murder of Siobhain Dec 9, 2021
  8. 8 Episode 8 Dec 16, 2021
  9. 9 The Montana Creek Murders On 24th December 1984, a body is discovered in a shallow grave. When another dead body is discovered police fear a serial killer is at work. The victims remained unidentified for … Dec 16, 2021 45m
  10. 10 Mother Mojave 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 and identif… Dec 31, 2021 45m
  11. 11 The Mystery Murder of Mary London In 1981, a female high school student is found dead on the side of a road. Police work tirelessly on the case until new DNA technology exposes the killer. Jul 21, 2022 45m
  12. 12 The Knifepoint Rapist In 1995, a masked man commits a series of sexual assaults at knifepoint. It takes more than 20 years for this serial rapist to be identified and then brought to justice. Jul 28, 2022 45m
  13. 13 Gunpoint Horror In Alexandria, Virginia in 2016 a young female lifeguard is raped while working at a local pool. Police learn of a similar incident in Fairfax, Virginia 2 years earlier. It takes … Aug 4, 2022 45m
  14. 14 The Hunt for Precious Jane Doe In 1977, the body of a young woman is discovered by blackberry pickers in Everett, Washington. The body is covered in flies and maggots. Police officers fail to identify the victi… Aug 4, 2022 43m
  15. 15 The Rapid City Rapist In 1968, 60-year-old Gwen Miller is brutally raped and murdered inside her own home. A devastating flood then halts the police investigation until ground-breaking science offers s… Aug 11, 2022 42m
  16. 16 A Family Torn Apart In 1998, a woman and her daughter are found brutally murdered, both shot in the head several times. The case goes cold for over a decade until genetic genealogy uncovers the perpe… Aug 18, 2022 45m
  17. 17 Justice for Leslie In 1976, a young woman is found dead at a military base in Orange County, California. Using forensic genealogy, experts break open the 40-year-old cold case. Aug 25, 2022 45m
  18. 18 Cuyahoga Falls Mystery In December 1987, the nude body of a 17-year-old girl was dumped on the side of a rural road in Ohio. She had been raped and strangled to death. Genetic genealogy is called upon t… Sep 1, 2022 45m
  19. 19 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 dit… Sep 8, 2022 45m
  20. 20 Remembering Stevie In 1963, the body of a toddler is discovered in the Keene Creek reservoir in Ashland County, Oregon, wrapped in a bundle of bedding. The child is determined to a white male, possi… Aug 15, 2022 42m
Season3 2022 · 20 eps
  1. 1 Date Night Murder in Michigan Niles, Michigan 1987, Terry Wood comes home to find his wife Roxanne lying dead in a pool of blood. Oct 1, 2022 45m
  2. 2 The Greeley Rapist 2001, Greeley, Colorado, a 7-year-old girl is walking to school with her 8-year-old brother when an unknown assailant snatches her off the street and bundles her into his car. Oct 8, 2022 45m
  3. 3 Carla's Last Valentines Fort Worth Texas 1974. 17-year old Carla Walker is kissing her boyfriend Rodney in his car when suddenly the door is ripped open by an unknown assailant. Oct 15, 2022 45m
  4. 4 Last Seen At Dairy Queen High school student Kim Bryant is last seen outside a Dairy Queen restaurant. Three weeks later, her body is discovered by three teenage boys hiking on the outskirts of town. Oct 22, 2022 45m
  5. 5 The Coat Hanger Killer On the morning of September 4th, 1981, mom of two, Linda Slaten was found murdered in her bedroom in her Lakeland Florida apartment. Oct 29, 2022 45m
  6. 6 The Mystery of the Headphones December 30th 1983. 22-year-old Diana Hanson fails to return home from jogging in Las Vegas. Nov 5, 2022 45m
  7. 7 Christmas Tree Lady In 1996, the body of a woman in her 60s is found in a cemetery in Annandale, Virginia (US), surrounded by empty alcohol and pill bottles, with a plastic bag fastened over her head. Nov 12, 2022 45m
  8. 8 Little Miss Nobody The body of a little girl is found in the Arizona desert. Detectives are unable to identify her so the local community lays her to rest with the name “Little Miss Nobody”. Nov 19, 2022 45m
  9. 9 The Slaying of Sylvia Quayle Arapahoe County, Colorado, 1983. The body of Sylvia Quayle is discovered by her distraught father in her Cherry Hills home. Dec 10, 2022 45m
  10. 10 Valentine's Day Murder Florida Keys, 1991. A young woman is last seen alive hitchhiking on Valentine’s Day. The next day her body is discovered along a deserted road Dec 17, 2022 45m
  11. 11 The Mystery of the Parks Tacoma, Washington State, 1986. 12-year-old Michella Welch goes missing in Puget Park. Jan 28, 2023 45m
  12. 12 Murder by the Base Sanford, Florida, 1984. The bruised and bloodied body of 25-year-old naval recruit Pamela Cahanes is found in an abandoned lot near the Naval Training Center. Feb 4, 2023 45m
  13. 13 The Murder of Mary Scott San Diego 1969. 23-year-old Mary Scott is visited by a friend when she fails to show up for work. Feb 11, 2023 45m
  14. 14 The Schoolbag in the Road Las Vegas, Nevada, June 1 1989. Stephanie Isaacson sets off on her morning walk to school; she never makes it. Feb 18, 2023 45m
  15. 15 Her Last New Years Eve Pensacola, Florida, New Year’s Day 1985. The body of Tonya McKinley is found lying on the side of a city street. Feb 25, 2023 45m
  16. 16 Dancing with Death Colorado Springs, Colorado, St. Patrick’s Day 1987. The naked body of Darlene Krashoc is discovered by two patrol officers at 5.20am behind a restaurant. Apr 22, 2023 45m
  17. 17 The McLeary Rapist A 17-year old girl arrives home in McCleary Washington and honks her car-horn. Her dad finds her distraught with duct tape around her mouth and her feet zip tied together. Apr 29, 2023 45m
  18. 18 Delta Dawn Doe December 5 1982. Deputies from Jackson County Sheriff’s Department discover the body of a female toddler along the Escatawpa River in Mississippi. May 13, 2023 45m
  19. 19 The Mint Box Murder March 6 1959. 9-year-old Candy Rogers leaves home to sell girl scout mints in Spokane Washington, she never returns. May 6, 2023 45m
  20. 20 The Telephone Cord Killer October 9 1980, Santee, San Diego. The neighbours of 20 year old college student Michelle Wyatt hear screams coming from her condo but fail to investigate. May 20, 2023 45m
Season 4 2023 · 20 eps
  1. 1 The Norcal Rapist A fugitive has at least 9 victims known to police over the course of 15 years. They had his DNA even, but still no suspect. That is until new advances in familial DNA is compared … Sep 30, 2023 45m
  2. 2 Horror by the Roadside In the summer of 1976, the body of 16-year-old Carol Sue Klaber is found in a roadside ditch in Kentucky. Fast forward to 2022, cutting-edge DNA science is employed to finally nam… Oct 7, 2023 45m
  3. 3 Murder on Elm Street In July 1987, Donna Hyatt's daughter finds her mother brutally murdered at home in Carlsbad, New Mexico. Donna Sue Hyatt's murder is unsolved for decades until modern forensic sci… Oct 14, 2023 45m
  4. 4 The Mammoth Lakes Murder In 2003, the skeletal remains of a young woman are found. Oct 21, 2023 45m
  5. 5 The Court Reporter Murder When the body of a young woman is discovered in 1970, her family never loses hope that one day her killer will be identified; after 52 years, genetic genealogy provides the truth. Oct 28, 2023 45m
  6. 6 Murder by I-59 Dade County police in Georgia work to uncover the identity of a Jane Doe and locate the perpetrator responsible for her murder. Nov 4, 2023 45m
  7. 7 The Huntington Beach Body In 1968, the remains of an unidentified woman are discovered; detectives work for nearly half a century to identify the Jane Doe and the murderer who evaded law enforcement for 50… Nov 11, 2023 45m
  8. 8 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 fina… Nov 18, 2023 45m
  9. 9 The South Lake Tahoe Strangler Two unsolved murders from the late 1970s near Tahoe, Calif., stump investigators for decades. Nov 25, 2023 45m
  10. 10 Stabbing in Sacramento 40 years after the sexual assault and murder of 20-year-old Robin Brooks in Sacramento, California, determined cold case detectives collaborate with scientists using revolutionary… Dec 16, 2023 45m
  11. 11 The Phoenix Canal Killer Cutting-edge DNA science finally names the Phoenix Canal Killer who terrorized the city in the early 90s. Apr 1, 2024 45m
  12. 12 Mommy Has Been Murdered Investigative genetic genealogy is used to resolve the 1988 murder of a mother killed in front of her toddler Apr 1, 2024 45m
  13. 13 The Three Rivers Killer Investigative genetic genealogy reveals the killer of a young mother murdered in her own home 34 years prior. Apr 1, 2024 45m
  14. 14 Double Homicide in the OC A young woman is found beaten, raped and strangled in Garden Grove, California in 1987. Two years pass until a woman in a neighboring jurisdiction meets the same fate. It will tak… Apr 1, 2024 45m
  15. 15 The Mississippi Rapist In 1990 Mississippi, a woman is kidnapped at knife-point. Police are unable to identify the perpetrator. It'll take forward-thinking investigators, state-of-the-art science and br… Apr 1, 2024 45m
  16. 16 Justice Delayed DNA science unveils a predator who sexually assaulted a 20-year-old before shooting her in Washington in 1972. Apr 1, 2024 45m
  17. 17 Murder in Apartment 101 In Willoughby, Ohio, Mark Madger comes home to find his wife Nadine lying in a pool of her own blood, stabbed to death. Four decades later, cutting-edge DNA science provides answe… Apr 1, 2024 45m
  18. 18 Carrie's Courage A woman who was sexually assaulted at gunpoint in the 1980s contacts a genetic genealogist to solve her case. Apr 1, 2024 45m
  19. 19 The Sadistic Killer Investigative genetic genealogy unmasks the sexual deviant who raped and killed Christina Castiglione in 1983 Apr 1, 2024 45m
  20. 20 Murder in Marietta The 1972 rape and murder of 9-year-old Debbie Lynn Randall is solved thanks to new science 50 years later. Apr 1, 2024 45m
Season 5 2024 · 20 eps
  1. 1 The Body in the Blanket In 1996, two workers report that they found a body rolled up in a blanket on the side of the road near Grand Rapids, Michigan. Detectives quickly identify the victim as Sharon Kay… Sep 4, 2024 45m
  2. 2 Evil Angel In 2015, a woman is viciously assaulted while running in an Albuquerque, New Mexico park. Investigators unable the find the perpetrator, until they learn about a new forensic tech… Sep 11, 2024 45m
  3. 3 The Book Store Murder In 2010, a great-grandma Sherry Black is found murdered in her own bookstore in South Salt Lake, Utah. It took 11 years for police to find evidence to charge and convict her kille… Sep 18, 2024 45m
  4. 4 The McClintock Park Murders Wisconsin 1976. 25-year-old David Schuldes and 24-year-old Ellen Matheys are murdered in a park. The case goes cold until 2015 when new DNA science is found. Sep 25, 2024 45m
  5. 5 Strangled in the Sand The 1994 murder of Clare Holman in Borrego Springs, California went unsolved for decades. Determined investigators got their breakthrough when new advancements in DNA technology h… Oct 2, 2024 45m
  6. 6 Terror in Garden Grove In 1976, 19-year-old Janet Stallcup goes missing in Garden Grove, California while on her way to a party. Eight days later, her body is found in her car. The case runs cold until … Oct 9, 2024 45m
  7. 7 The Runaway Murder In 1978, the body of 16-year-old Krisann Baxter is found in Washington. Investigators try to find Krisann's killer, but don't find any answers. Oct 16, 2024 45m
  8. 8 Justice for Krista In 1989, 20-year-old Krista Martin’s life is tragically cut short when an intruder interrupts her dinner, leading to an investigation spanning four decades. Oct 23, 2024 45m
  9. 9 The Imposter Rapist In Chandler, Arizona in 1991, an intruder viciously sexually assaults a woman in her own home. The case goes unsolved for decades until revolutionary science connects the dots. Oct 30, 2024 45m
  10. 10 The Schoolteacher Murder In 1995 in Beaumont, Texas, the parents of Catherine Edwards find her body in her bathroom. The killer evades justice, that is, until forensic science catches up with him. Nov 6, 2024 45m
  11. 11 Cathy Sposito Will a new forensic science tool find the killer of Cathy Sposito, murdered on an Arizona hiking trail in 1987? Jan 30, 2025 45m
  12. 12 Terror in Texas Susan Eads is found murdered in Texas in 1983. Decades later, can modern forensics finally find the perpetrator? Feb 6, 2025 45m
  13. 13 Episode 13 Feb 12, 2025
  14. 14 Episode 14 Feb 19, 2025
  15. 15 Episode 15 Feb 26, 2025
  16. 16 Episode 16 Mar 5, 2025
  17. 17 Episode 17 Mar 12, 2025
  18. 18 Episode 18 Mar 19, 2025
  19. 19 Episode 19 Mar 26, 2025
  20. 20 Episode 20 Apr 2, 2025
Season 6 2025 · 20 eps
  1. 1 Murder in the Median In 2024, Pamela Wittman, a 25-year-old from Indiana, was identified, solving the 1980 Daytona Beach cold case linked to a serial killer. Sep 18, 2025
  2. 2 Jane Doe by the Road Found shot near Highway 67 in 1986, Maria Pilar Del Gadillo Carrillo remained unidentified until 2024, when authorities used genetic genealogy and reopened her case. Sep 25, 2025
  3. 3 Murder on Highway 243 Esther Gonzalez was killed in 1979 while walking in Riverside. Randy Williamson, cleared by polygraph, lived freely until 2014. In 2023, forensic genealogy closed the cold case. Oct 2, 2025
  4. 4 A Forensic Gamechanger In 1991, 16-year-old Sarah Yarborough was murdered outside her school. Eyewitnesses saw a man - but it took nearly 30 years and forensic genealogy to find him. Oct 9, 2025
  5. 5 The Suspect List DNA and genealogy reveal serial killer Jerry McFadden murdered Anna Hlavka in a 1979 Portland case. Oct 16, 2025
  6. 6 Murder Between Two Floors Found murdered in a Seattle garage in July 1967, Susan Galvin remained without justice until 2018, when DNA and genetic genealogy identified her killer, Frank Wypych. Oct 23, 2025
  7. 7 Uncovered Truths In October 2003, the San Diego County community was shaken by a tragic discovery: the dismembered legs of a woman were found in a dumpster. Oct 30, 2025
  8. 8 The Last Valentine In 1985, Terri McAdams is murdered in her fiance's apartment; in 2023, DNA and genealogy identify the killer. Jan 20, 2026
  9. 9 A Confession in Cold Blood In 1974, 25-year-old Mary K. Schlais is murdered while hitchhiking from Minneapolis to Madison, Wisconsin. Mar 17, 2026
  10. 10 Stolen Youth, Stolen Lives In 1976, 16-year-old Pamela Maurer's body is found along College Road in Lisle, Illinois. Mar 24, 2026
  11. 11 Adopted by Death A 65-year-old mystery is solved when DNA testing identifies the remains of 7-year-old Chester Alfred Breiney. Mar 31, 2026
  12. 12 The Angel of Seaside DNA and genealogy identify soldier Robert Lanoue as the murderer of 5-year-old Anne Pham. Apr 7, 2026
  13. 13 The Hair That Called His Bluff DNA and genealogy solve the murder of schoolgirl Rashell Ward after over 40 years. Apr 7, 2026
  14. 14 Bloodshed Mark Dribin vanishes in 1999. After over 20 years, DNA technology finally unmasks his killer and dark secrets. Apr 14, 2026
  15. 15 No Safe Haven In 2013, a newborn baby know as "Baby Precious" is found dead; DNA technology tracks down the child's parents. Apr 14, 2026
  16. 16 The Stanford Murders DNA technology helps solve the murders of two 21-year-old women in North Carolina in the 1970s. Apr 21, 2026
  17. 17 The Phone Call Rapist DNA and genealogy reveal the identity of a man responsible for home invasions from 1982 to 1997. Apr 28, 2026
  18. 18 Murder in Montana Danielle Houchins is found murdered. DNA technology finally unmasks the killer in the 2010s. May 5, 2026
  19. 19 A Good Deed Punished Teresa Solecki is murdered in 1984 in California. After more than 30 years, DNA technology reveals the killer. May 5, 2026
  20. 20 A Stranger in Her Home Genetic genealogy links a serial offender to the 1990 murder of Genevieve Zitricki. May 12, 2026
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