Bloodline Detectives

Documentary

Crime

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

Episodes

Cast

Motorway Killer

1. Motorway Killer

23rd Apr 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.

Unrighteous Act

2. Unrighteous Act

30th Apr 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.

Deadly Desire

3. Deadly Desire

7th May 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.

Scottsdale Spree Shooting

4. Scottsdale Spree Shooting

14th May 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?

Blood Bath

5. Blood Bath

21st May 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?

Road Trip to Hell

6. Road Trip to Hell

28th May 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.

March Massacre

7. March Massacre

4th Jun 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.

Murder in the Snow

8. Murder in the Snow

1h

11th Jun 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.

Ice Cold Murder

9. Ice Cold Murder

18th Jun 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.

Llandarcy Serial Killer

10. Llandarcy Serial Killer

45min

7th Jan 2021

In 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

11. Sheeps Flat Murder Mystery

45min

14th Jan 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.

Carnage in Cardiff

12. Carnage in Cardiff

45min

21st Jan 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.

The Rockville Horror

13. The Rockville Horror

45min

28th Jan 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.

A Life Stolen

14. A Life Stolen

45min

4th Feb 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.

Walking Nightmare

15. Walking Nightmare

45min

11th Feb 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.

Town Path Predator

16. Town Path Predator

45min

20th Feb 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.

The Murder of Tangie Sims

17. The Murder of Tangie Sims

45min

27th Feb 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.

The Williamsburg Rapist

18. The Williamsburg Rapist

45min

3rd Mar 2021

In 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

19. The Murder of Helene Pruszynski

45min

13th Mar 2021

In 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

20. The Clearfield Rapist

45min

20th Mar 2021

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

First air date

23rd Apr 2020

Last air date

2nd Apr 2025

Status

Returning Series

Type

Scripted

Original language

en

Networks