TV-14
Bloodline Detectives focuses on familial DNA investigation, a search technique which uses genetic material from relatives to track down a suspect to solve violent crimes. Each episode shows detectives from all over the world solving cold cases by using the DNA of family members and how that additional DNA information is revolutionising genetic profiling to solve criminal cases.

20 Episodes

  • Motorway Killer
    A1
    Motorway KillerIn March 2003, a lorry driver was found dead behind the wheel in Camberley, England. Police gambled on the revolutionary technique of familial DNA analysis.
  • Unrighteous Act
    A2
    Unrighteous ActIn 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.
  • Deadly Desire
    A3
    Deadly DesireOn Valentines' Day 2007, police in Southern California were called to a particularly violent murder scene. Advances in forensic genealogy finally solved the case.
  • Scottsdale Spree Shooting
    A4
    Scottsdale Spree ShootingIn 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?
  • Blood Bath
    A5
    Blood BathIn 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?
  • Road Trip to Hell
    A6
    Road Trip to HellAfter being reported missing, a young couple's bodies were discovered more than 60 miles apart. Dedicated investigators set out to find their killer.
  • March Massacre
    A7
    March MassacreIn 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.
  • Murder in the Snow
    A8
    Murder in the SnowWhen a young woman is found beaten to death in the snow of rural Wisconsin in 1984. The killer evades detection of the police for decades. How will a revolutionary breakthrough in a DNA testing methods reveal the killers identity? However after all this time is he still alive or dead.
  • Ice Cold Murder
    A9
    Ice Cold MurderThe 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.
  • Llandarcy Serial Killer
    A10
    Llandarcy Serial KillerIn 1973, two schoolgirls were found murdered in the Welsh village of Llandarcy. The killer's identity would remain a mystery until 2002.
  • Sheeps Flat Murder Mystery
    A11
    Sheeps Flat Murder MysteryIn 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.
  • Carnage in Cardiff
    A12
    Carnage in CardiffIn 1988, police discover the mutilated body of Lynette White. 25 years later, a ground-breaking DNA technique would finally lead detectives to the killer.
  • The Rockville Horror
    A13
    The Rockville HorrorIn 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.
  • A Life Stolen
    A14
    A Life Stolen69-year-old Evelynne Derricott is found brutally murdered in 2011. After the case goes cold, new DNA technology eventually leads detectives to the truth.
  • Walking Nightmare
    A15
    Walking NightmareIn 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.
  • Town Path Predator
    A16
    Town Path PredatorIn 2001, a young couple were brutally assaulted in Salisbury, Wiltshire. Over a decade later, new DNA technology helped lead investigators to the attacker.
  • The Murder of Tangie Sims
    A17
    The Murder of Tangie SimsIn 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.
  • The Williamsburg Rapist
    A18
    The Williamsburg RapistIn 2001, a student is attacked in Williamsburg, Virginia and months later the attacker strikes again. Finally, new DNA technology reveals the perpetrator.
  • The Murder of Helene Pruszynski
    A19
    The Murder of Helene PruszynskiIn 1980, a young woman disappears and her body is discovered shortly after. Almost 40 years later, new DNA technology reveals the attacker.
  • The Clearfield Rapist
    A20
    The Clearfield RapistA series of brutal and terrifying sexual assaults occur across northern Utah and Wyoming. 17 years later, new DNA technology reveals the perpetrator.

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