Season 1

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  6.9/1017 votes

  Motorway Killer

  Season 1 Episode 1 - Aired 4/23/2020

  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.

  Director: Unknown

  Writer: Unknown

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  7.2/1010 votes

  Unrighteous Act

  Season 1 Episode 2 - Aired 4/30/2020

  In 1976, a woman was left for dead in her home in southern California. Despite a major manhunt, the violent killer avoided detection for over four decades.

  Director: Unknown

  Writer: Unknown

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  6.3/109 votes

  Deadly Desire

  Season 1 Episode 3 - Aired 5/7/2020

  On Valentines' Day 2007, police in Southern California were called to a particularly violent murder scene. Advances in forensic genealogy finally solved the case.

  Director: Unknown

  Writer: Unknown

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  7.0/105 votes

  Scottsdale Spree Shooting

  Season 1 Episode 4 - Aired 5/14/2020

  In 2018, two paralegals were shot dead whilst at work in Scottsdale, Arizona. Four more victims were linked to the killing - who was the serial killer?

  Director: Unknown

  Writer: Unknown

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  7.2/108 votes

  Blood Bath

  Season 1 Episode 5 - Aired 5/21/2020

  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 perpetrator of this heinous attack?

  Director: Unknown

  Writer: Unknown

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  6.9/108 votes

  Road Trip to Hell

  Season 1 Episode 6 - Aired 5/28/2020

  After being reported missing, a young couple's bodies were discovered more than 60 miles apart. Dedicated investigators set out to find their killer.

  Director: Unknown

  Writer: Unknown

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  7.0/106 votes

  March Massacre

  Season 1 Episode 7 - Aired 6/4/2020

  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 killer with no firm leads.

  Director: Unknown

  Writer: Unknown

• 

  7.3/1011 votes

  Murder in the Snow

  Season 1 Episode 8 - Aired 6/11/2020

  After a young woman was found beaten to death in Wisconsin in 1984, the killer evaded detection for decades. However, a revolutionary DNA method later revealed his identity.

  Director: Unknown

  Writer: Unknown

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  7.2/106 votes

  Ice Cold Murder

  Season 1 Episode 9 - Aired 6/18/2020

  The murder of a respected teacher brutally attacked in her Pennsylvania home. Her death shocked the community, though it took 27 years for dedicated investigators trace her killer.

  Director: Unknown

  Writer: Unknown

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  7.5/106 votes

  Llandarcy Serial Killer

  Season 1 Episode 10 - Aired 1/7/2021

  In 1973, two schoolgirls were found murdered in the Welsh village of Llandarcy. The killer's identity would remain a mystery until 2002.

  Director: Unknown

  Writer: Unknown

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  7.0/108 votes

  Sheeps Flat Murder Mystery

  Season 1 Episode 11 - Aired 1/14/2021

  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 the killer.

  Director: Unknown

  Writer: Unknown

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  7.5/106 votes

  Carnage in Cardiff

  Season 1 Episode 12 - Aired 1/21/2021

  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.

  Director: Unknown

  Writer: Unknown

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  7.0/106 votes

  The Rockville Horror

  Season 1 Episode 13 - Aired 1/28/2021

  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 the killer.

  Director: Unknown

  Writer: Unknown

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  6.9/108 votes

  A Life Stolen

  Season 1 Episode 14 - Aired 2/4/2021

  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.

  Director: Unknown

  Writer: Unknown

• 

  7.0/106 votes

  Walking Nightmare

  Season 1 Episode 15 - Aired 2/11/2021

  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 reveals the perpetrator.

  Director: Unknown

  Writer: Unknown

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  7.4/105 votes

  Town Path Predator

  Season 1 Episode 16 - Aired 2/20/2021

  In 2001, a young couple were brutally assaulted in Salisbury, Wiltshire. Over a decade later, new DNA technology helped lead investigators to the attacker.

  Director: Unknown

  Writer: Unknown

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  6.6/107 votes

  The Murder of Tangie Sims

  Season 1 Episode 17 - Aired 2/27/2021

  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 to the killer.

  Director: Unknown

  Writer: Unknown

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  7.0/107 votes

  The Williamsburg Rapist

  Season 1 Episode 18 - Aired 3/3/2021

  In 2001, a student is attacked in Williamsburg, Virginia and months later the attacker strikes again. Finally, new DNA technology reveals the perpetrator.

  Director: Unknown

  Writer: Unknown

• 

  7.2/106 votes

  The Murder of Helene Pruszynski

  Season 1 Episode 19 - Aired 3/13/2021

  In 1980, a young woman disappears and her body is discovered shortly after. Almost 40 years later, new DNA technology reveals the attacker.

  Director: Unknown

  Writer: Unknown

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  7.8/108 votes

  The Clearfield Rapist

  Season 1 Episode 20 - Aired 3/20/2021

  A series of brutal and terrifying sexual assaults occur across northern Utah and Wyoming. 17 years later, new DNA technology reveals the perpetrator.

  Director: Unknown

  Writer: Unknown