Episode list

In March 2003, a truck driver was found dead behind the wheel in on the side of the M3 in Camberley, England. Police were stumped but gambled on the revolutionary new technique of Familial DNA Analysis.

In 1976, a young mother was left for dead in her home in Hermosa Beach, California. Later, Karen Klaas dies in the hospital. Despite a major manhunt, use the of latest techniques during the time span this violent killer avoided detection for over forty years, until Familial DNA came along.

On Feb. 14th. Valentines' Day 2007, police in Southern California were called to a violent murder scene. However it takes time until more advances in forensic genealogy this case is finally solved.

In 2018, two paralegals were shot dead while at work in Scottsdale, Arizona. Then a call from the Phoenix police saying they had similar murder in the killing a noted forensic psychiatrist. As the police continue to probe the case more victims will be linked to these killings. Who was the spree killer taking revenge on these 6 victims ?

In 1984, a young woman's body was discovered in a lane not far from her home in the safe city of Bath, England. How over a period of time the police with aid in advances of technology eventually track down the perpetrator of this heinous attack murder of a young woman?

After being reported missing, a teenage couple's bodies from BC, Canada were discovered more than sixty miles apart in the US. How did these two young people from British Columbia end up being killing in Washington state. How the dedicated investigators keep trying new advances with DNA evidence eventually they find the killer?

In 1979, two young brothers came home from school to find their mother's dead body in the living room. Even with the having the killers' blood and fingerprints the police have no solid leads. How and when will investigators get the lead to track down this brutal killer?

When 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.

When a beloved local Pennsylvania teacher is brutally attacked in her own home. Her death shocks the community of which she is loved and vital part of. For almost 30 years the dedicated investigators working on her case finally get the technology to trace her killer and bring him to justice.

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

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.

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.

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.

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.

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.

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

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.

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

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

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