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Bloodline Detectives

Bloodline Detectives

Documentary4 Seasons
TV14
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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Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.

  • Deadly Desire

    Episode 1 - 42 mins
    Police in Southern California were called to a particularly violent murder scene.

  • Murder in the Snow

    Episode 2 - 42 mins
    Decades after a young woman's murder, her killer is identified using a revolutionary DNA method.

  • Scottsdale Spree Shooting

    Episode 3 - 42 mins
    In 2018, two paralegals are shot dead while at work in Scottsdale, Ariz.

  • Ice Cold Murder

    Episode 4 - 41 mins
    A beloved local teacher is brutally attacked in her Pennsylvania home; police trace her killer.

  • March Massacre

    Episode 5 - 42 mins
    In 1979 two young boys find their mother's dead body in the living room; police find the killer.

  • Unrighteous Act

    Episode 6 - 42 mins
    A woman is murdered in her home in southern California; the killer avoids detection for decades.

  • Motorway Killer

    Episode 7 - 42 mins
    A lorry driver is found dead behind the wheel in England; police use familial DNA analysis.

  • Blood Bath

    Episode 8 - 42 mins
    A woman's body is discovered close to her home in Bath, England; police track down the perpetrator.

  • Road Trip to Hell

    Episode 9 - 42 mins
    After being reported missing, a young couple's bodies are discovered more than sixty miles apart.

  • Sheeps Flat Murder Mystery

    Episode 10 - 42 mins
    The police investigation into the Washoe County murder.

  • Rockville Horror

    Episode 11 - 42 mins
    In 1994, Le Bich-Thuy is found dead; DNA and technology allow detectives to track the killer.

  • Carnage in Cardiff

    Episode 12 - 42 mins
    A decades-long police investigation includes one of the worst miscarriages of justice in UK history.

  • Llandarcy Serial Killer

    Episode 13 - 42 mins
    In 1973, two young girls are found murdered in the Welsh village of Llandarcy.

  • The Clearfield Rapist

    Episode 14 - 42 mins
    With the help of familial DNA, detectives are able to track down and capture a serial rapist.

  • The Murder of Tangie Sims

    Episode 15 - 42 mins
    The investigation into the murder of Tangie Sims; how genetic genealogy helped solve the case.

  • A Life Stolen

    Episode 16 - 42 mins
    A 69-year-old woman is found murdered in 2011; years later, the case is finally resolved.

  • The Murder of Helene Pruszynski

    Episode 17 - 42 mins
    Following the decadeslong investigation into the murder of Helene Pruszynski.

  • Town Path Predator

    Episode 18 - 42 mins
    How an extensive investigation and revolutionary DNA science revealed an attacker's identity.

  • Walking Nightmare

    Episode 19 - 42 mins
    How the revolutionary new science of familial DNA helped catch a rapist.

  • The Williamsburg Rapist

    Episode 20 - 42 mins
    The science of familial DNA is used to identify a rapist who eluded justice for years.

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