Bloodline Detectives

1. S01E01Motorway KillerApril 23, 2020—In March 2003, a lorry driver was found dead behind the wheel in Camberley, England. Police gambled on the revolutionary technique of famili
2. S01E02Unrighteous ActApril 30, 2020—In 1976, a woman was left for dead in her home in southern California. Despite a major manhunt, the violent killer avoided detection for ove
3. S01E03Deadly DesireMay 7, 2020—On Valentines' Day 2007, police in Southern California were called to a particularly violent murder scene. Advances in forensic genealogy fi
4. S01E04Scottsdale Spree ShootingMay 14, 2020—In 2018, two paralegals were shot dead whilst at work in Scottsdale, Arizona. Four more victims were linked to the killing - who was the ser
5. S01E05Blood BathMay 21, 2020—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 perpetra
6. S01E06Road Trip to HellMay 28, 2020—After being reported missing, a young couple's bodies were discovered more than 60 miles apart. Dedicated investigators set out to find thei
7. S01E07March MassacreJune 4, 2020—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 k
8. S01E08Murder in the SnowJune 11, 2020—After a young woman was found beaten to death in Wisconsin in 1984, the killer evaded detection for decades. However, a revolutionary DNA me
9. S01E09Ice Cold MurderJune 18, 2020—The murder of a respected teacher brutally attacked in her Pennsylvania home. Her death shocked the community, though it took 27 years for d
10. S01E10Llandarcy Serial KillerJanuary 7, 2021—In 1973, two schoolgirls were found murdered in the Welsh village of Llandarcy. The killer's identity would remain a mystery until 2002.
11. S01E11Sheeps Flat Murder MysteryJanuary 14, 2021—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
12. S01E12Carnage in CardiffJanuary 21, 2021—In 1988, police discover the mutilated body of Lynette White. 25 years later, a ground-breaking DNA technique would finally lead detectives
13. S01E13The Rockville HorrorJanuary 28, 2021—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
14. S01E14A Life StolenFebruary 4, 2021—69-year-old Evelynne Derricott is found brutally murdered in 2011. After the case goes cold, new DNA technology eventually leads detectives
15. S01E15Walking NightmareFebruary 11, 2021—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 r
16. S01E16Town Path PredatorFebruary 20, 2021—In 2001, a young couple were brutally assaulted in Salisbury, Wiltshire. Over a decade later, new DNA technology helped lead investigators t
17. S01E17The Murder of Tangie SimsFebruary 27, 2021—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 t
18. S01E18The Williamsburg RapistMarch 3, 2021—In 2001, a student is attacked in Williamsburg, Virginia and months later the attacker strikes again. Finally, new DNA technology reveals th
19. S01E19The Murder of Helene PruszynskiMarch 13, 2021—In 1980, a young woman disappears and her body is discovered shortly after. Almost 40 years later, new DNA technology reveals the attacker.
20. S01E20The Clearfield RapistMarch 20, 2021—A series of brutal and terrifying sexual assaults occur across northern Utah and Wyoming. 17 years later, new DNA technology reveals the per

Season 1 ranked & reviewed

1. S02E01Body in the StairwellOctober 28, 2021—In 1999, hospital worker Jennifer Watkins was sexually assaulted and murdered. Two decades later, revolutionary DNA testing helps to solve t
2. S02E02Sacrilege in SacramentoOctober 28, 2021—In 1992, a woman is sexually assaulted in Sacramento, California by a man wearing a ski mask. This sexual predator continues to commit heino
3. S02E03The Montana MurdersNovember 4, 2021—When two teens are found dead in Montana, detectives suspect an infamous gangster might be responsible. But it will take 65 years to find th
4. S02E04Sinful Act In St GeorgeNovember 11, 2021—A small community in Utah is shocked when an elderly woman is brutally attacked in her own home. Detectives use innovative techniques to sol
5. S02E05Left for Dead in Logan CountyNovember 18, 2021—After decades of searching, Ohio detectives use ground-breaking technology to hunt down the man who abducted and sexually assaulted a 19-yea
6. S02E06The Alameda AttackerNovember 25, 2021—In 1997, two women are sexually assaulted in separate attacks. Forensic evidence suggests the crimes are linked, but it takes over two decad
7. S02E07The Murder of SiobhainDecember 9, 2021—
8. S02E08Episode 8December 16, 2021—
9. S02E09The Montana Creek MurdersDecember 16, 2021—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.
10. S02E10Mother MojaveDecember 31, 2021—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 enfo
11. S02E11The Mystery Murder of Mary LondonJuly 21, 2022—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 expos
12. S02E12The Knifepoint RapistJuly 28, 2022—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
13. S02E13Gunpoint HorrorAugust 4, 2022—In Alexandria, Virginia in 2016 a young female lifeguard is raped while working at a local pool. Police learn of a similar incident in Fairf
14. S02E14The Hunt for Precious Jane DoeAugust 4, 2022—In 1977, the body of a young woman is discovered by blackberry pickers in Everett, Washington. The body is covered in flies and maggots. Pol
15. S02E15The Rapid City RapistAugust 11, 2022—In 1968, 60-year-old Gwen Miller is brutally raped and murdered inside her own home. A devastating flood then halts the police investigation
16. S02E16A Family Torn ApartAugust 18, 2022—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 unt
17. S02E17Justice for LeslieAugust 25, 2022—In 1976, a young woman is found dead at a military base in Orange County, California. Using forensic genealogy, experts break open the 40-ye
18. S02E18Cuyahoga Falls MysterySeptember 1, 2022—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 de
19. S02E19Chilling Notes From a KillerSeptember 8, 2022—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 mak
20. S02E20Remembering StevieAugust 15, 2022—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 chi

Season 2 ranked & reviewed

1. S03E01Date Night Murder in MichiganOctober 1, 2022—Niles, Michigan 1987, Terry Wood comes home to find his wife Roxanne lying dead in a pool of blood.
2. S03E02The Greeley RapistOctober 8, 2022—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 s
3. S03E03Carla's Last ValentinesOctober 15, 2022—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 unkno
4. S03E04Last Seen At Dairy QueenOctober 22, 2022—High school student Kim Bryant is last seen outside a Dairy Queen restaurant. Three weeks later, her body is discovered by three teenage boy
5. S03E05The Coat Hanger KillerOctober 29, 2022—On the morning of September 4th, 1981, mom of two, Linda Slaten was found murdered in her bedroom in her Lakeland Florida apartment.
6. S03E06The Mystery of the HeadphonesNovember 5, 2022—December 30th 1983. 22-year-old Diana Hanson fails to return home from jogging in Las Vegas.
7. S03E07Christmas Tree LadyNovember 12, 2022—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, wi
8. S03E08Little Miss NobodyNovember 19, 2022—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
9. S03E09The Slaying of Sylvia QuayleDecember 10, 2022—Arapahoe County, Colorado, 1983. The body of Sylvia Quayle is discovered by her distraught father in her Cherry Hills home.
10. S03E10Valentine's Day MurderDecember 17, 2022—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 ro
11. S03E11The Mystery of the ParksJanuary 28, 2023—Tacoma, Washington State, 1986. 12-year-old Michella Welch goes missing in Puget Park.
12. S03E12Murder by the BaseFebruary 4, 2023—Sanford, Florida, 1984. The bruised and bloodied body of 25-year-old naval recruit Pamela Cahanes is found in an abandoned lot near the Nava
13. S03E13The Murder of Mary ScottFebruary 11, 2023—San Diego 1969. 23-year-old Mary Scott is visited by a friend when she fails to show up for work.
14. S03E14The Schoolbag in the RoadFebruary 18, 2023—Las Vegas, Nevada, June 1 1989. Stephanie Isaacson sets off on her morning walk to school; she never makes it.
15. S03E15Her Last New Years EveFebruary 25, 2023—Pensacola, Florida, New Year’s Day 1985. The body of Tonya McKinley is found lying on the side of a city street.
16. S03E16Dancing with DeathApril 22, 2023—Colorado Springs, Colorado, St. Patrick’s Day 1987. The naked body of Darlene Krashoc is discovered by two patrol officers at 5.20am behind
17. S03E17The McLeary RapistApril 29, 2023—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
18. S03E18Delta Dawn DoeMay 13, 2023—December 5 1982. Deputies from Jackson County Sheriff’s Department discover the body of a female toddler along the Escatawpa River in Missis
19. S03E19The Mint Box MurderMay 6, 2023—March 6 1959. 9-year-old Candy Rogers leaves home to sell girl scout mints in Spokane Washington, she never returns.
20. S03E20The Telephone Cord KillerMay 20, 2023—October 9 1980, Santee, San Diego. The neighbours of 20 year old college student Michelle Wyatt hear screams coming from her condo but fail

Season 3 ranked & reviewed

1. S04E01The Norcal RapistSeptember 30, 2023—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 ne
2. S04E02Horror by the RoadsideOctober 7, 2023—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
3. S04E03Murder on Elm StreetOctober 14, 2023—In July 1987, Donna Hyatt's daughter finds her mother brutally murdered at home in Carlsbad, New Mexico. Donna Sue Hyatt's murder is unsolve
4. S04E04The Mammoth Lakes MurderOctober 21, 2023—In 2003, the skeletal remains of a young woman are found.
5. S04E05The Court Reporter MurderOctober 28, 2023—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
6. S04E06Murder by I-59November 4, 2023—Dade County police in Georgia work to uncover the identity of a Jane Doe and locate the perpetrator responsible for her murder.
7. S04E07The Huntington Beach BodyNovember 11, 2023—In 1968, the remains of an unidentified woman are discovered; detectives work for nearly half a century to identify the Jane Doe and the mur
8. S04E08The Murder of Little MariseNovember 18, 2023—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.
9. S04E09The South Lake Tahoe StranglerNovember 25, 2023—Two unsolved murders from the late 1970s near Tahoe, Calif., stump investigators for decades.
10. S04E10Stabbing in SacramentoDecember 16, 2023—40 years after the sexual assault and murder of 20-year-old Robin Brooks in Sacramento, California, determined cold case detectives collabor
11. S04E11The Phoenix Canal KillerApril 1, 2024—Cutting-edge DNA science finally names the Phoenix Canal Killer who terrorized the city in the early 90s.
12. S04E12Mommy Has Been MurderedApril 1, 2024—Investigative genetic genealogy is used to resolve the 1988 murder of a mother killed in front of her toddler
13. S04E13The Three Rivers KillerApril 1, 2024—Investigative genetic genealogy reveals the killer of a young mother murdered in her own home 34 years prior.
14. S04E14Double Homicide in the OCApril 1, 2024—A young woman is found beaten, raped and strangled in Garden Grove, California in 1987. Two years pass until a woman in a neighboring jurisd
15. S04E15The Mississippi RapistApril 1, 2024—In 1990 Mississippi, a woman is kidnapped at knife-point. Police are unable to identify the perpetrator. It'll take forward-thinking investi
16. S04E16Justice DelayedApril 1, 2024—DNA science unveils a predator who sexually assaulted a 20-year-old before shooting her in Washington in 1972.
17. S04E17Murder in Apartment 101April 1, 2024—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,
18. S04E18Carrie's CourageApril 1, 2024—A woman who was sexually assaulted at gunpoint in the 1980s contacts a genetic genealogist to solve her case.
19. S04E19The Sadistic KillerApril 1, 2024—Investigative genetic genealogy unmasks the sexual deviant who raped and killed Christina Castiglione in 1983
20. S04E20Murder in MariettaApril 1, 2024—The 1972 rape and murder of 9-year-old Debbie Lynn Randall is solved thanks to new science 50 years later.

Season 4 ranked & reviewed

1. S05E01The Body in the BlanketSeptember 4, 2024—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 qu
2. S05E02Evil AngelSeptember 11, 2024—In 2015, a woman is viciously assaulted while running in an Albuquerque, New Mexico park. Investigators unable the find the perpetrator, unt
3. S05E03The Book Store MurderSeptember 18, 2024—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 e
4. S05E04The McClintock Park MurdersSeptember 25, 2024—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
5. S05E05Strangled in the SandOctober 2, 2024—The 1994 murder of Clare Holman in Borrego Springs, California went unsolved for decades. Determined investigators got their breakthrough wh
6. S05E06Terror in Garden GroveOctober 9, 2024—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 foun
7. S05E07The Runaway MurderOctober 16, 2024—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 answe
8. S05E08Justice for KristaOctober 23, 2024—In 1989, 20-year-old Krista Martin’s life is tragically cut short when an intruder interrupts her dinner, leading to an investigation spanni
9. S05E09The Imposter RapistOctober 30, 2024—In Chandler, Arizona in 1991, an intruder viciously sexually assaults a woman in her own home. The case goes unsolved for decades until revo
10. S05E10The Schoolteacher MurderNovember 6, 2024—In 1995 in Beaumont, Texas, the parents of Catherine Edwards find her body in her bathroom. The killer evades justice, that is, until forens
11. S05E11Cathy SpositoJanuary 30, 2025—Will a new forensic science tool find the killer of Cathy Sposito, murdered on an Arizona hiking trail in 1987?
12. S05E12Terror in TexasFebruary 6, 2025—Susan Eads is found murdered in Texas in 1983. Decades later, can modern forensics finally find the perpetrator?
13. S05E13Episode 13February 12, 2025—
14. S05E14Episode 14February 19, 2025—
15. S05E15Episode 15February 26, 2025—
16. S05E16Episode 16March 5, 2025—
17. S05E17Episode 17March 12, 2025—
18. S05E18Episode 18March 19, 2025—
19. S05E19Episode 19March 26, 2025—
20. S05E20Episode 20April 2, 2025—

Season 5 ranked & reviewed