In 2001, a student is attacked in Williamsburg, Virginia and months later the attacker strikes again. Finally, new DNA technology reveals the perpetrator. S1/Ep18
A series of brutal and terrifying sexual assaults occur across northern Utah and Wyoming. 17 years later, new DNA technology reveals the perpetrator. S1/Ep20
In 1999, hospital worker Jennifer Watkins was sexually assaulted and murdered. Two decades later, revolutionary DNA testing helps to solve this cold case. S2/Ep1
In 1992, a woman is sexually assaulted by a man in a ski mask. This predator continues to commit heinous crimes until new evidence exposes his identity. S2/Ep2
When two teens are found dead in Montana, detectives suspect an infamous gangster might be responsible. But it will take 65 years to find the true culprit. S2/Ep3
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. S1/Ep17
In 2001, a young couple were brutally assaulted in Salisbury, Wiltshire. Over a decade later, new DNA technology helped lead investigators to the attacker. S1/Ep16
In 1986, 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. S1/Ep15
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. S1/Ep14
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. S1/Ep13
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. S1/Ep12
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. S1/Ep11
When a beloved local teacher is brutally attacked in her Pennsylvania home, her death shocks the community. After 27 years dedicated investigators trace her killer. S1/Ep9
When a young woman is found beaten to death in Wisconsin in 1984, the killer evades detection for decades. How did a revolutionary DNA method reveal his identity? S1/Ep8
In 1979, two young boys came home from school to find their mother's dead body in the living room. With no solid leads, how did investigators track down the killer? S1/Ep7
After being reported missing, a young couple's bodies were discovered more than sixty miles apart. How did the dedicated investigators eventually find the killer? S1/Ep6
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? S1/Ep5
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? S1/Ep4
On Valentines' Day 2007, police in Southern California were called to a particularly violent murder scene. Advances in forensic genealogy finally solved the case. S1/Ep3
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. S1/Ep2
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. S1/Ep1
In 1963, the body of a young boy is found wrapped in blankets and dumped in a river. Years later, DNA technology helps identify the boy and what happened to him. S2/Ep20
In 1988, the body of an eight-year-old girl is found brutally murdered. Although the killer left behind clues, the case goes cold until forensics make a break-through. S2/Ep19
In December 1987, the body of a girl is dumped on the side of a road in Ohio. Will this violent murder finally be solved with the help of genetic genealogy? S2/Ep18
In 1976, a young woman is found dead at a military base in Orange County, California. Using forensic genealogy, experts break open the 40-year-old cold case. S2/Ep17
In 1998, a woman and her young daughter are found brutally murdered. The case goes cold for over a decade until genetic genealogy uncovers the perpetrator. S2/Ep16
In 1968, a 60-year-old is brutally raped and killed inside her own home. A devastating flood halts the police investigation until ground-breaking science offers new hope. S2/Ep15
In 1977, the body of a young woman is found covered in flies and maggots. Police officers fail to identify the victim until revolutionary technology breaks open the case. S2/Ep14
In 1981, a high school student is found dead on the side of a road. Police work tirelessly on the case until new DNA technology exposes the killer. S2/Ep11
Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing. S2/Ep9
Ricky Davis was convicted of the 1985 murder of a woman but always maintained his innocence. It took 18 years before re-examined DNA evidence proved him right. S2/Ep8
In 1997, two women are sexually assaulted in separate attacks. Forensic evidence suggests the crimes are linked, but it takes over two decades to find the perpetrator. S2/Ep6
After decades of searching, Ohio detectives use ground-breaking technology to hunt down the man who abducted and sexually assaulted a 19-year-old woman. S2/Ep5
A small community in Utah is shocked when an elderly woman is brutally attacked in her own home. Detectives use innovative techniques to solve the case. S2/Ep4
When two teens are found dead in Montana, detectives suspect an infamous gangster might be responsible. But it will take 65 years to find the true culprit. S2/Ep3
In 1992, a woman is sexually assaulted by a man in a ski mask. This predator continues to commit heinous crimes until new evidence exposes his identity. S2/Ep2
In 1999, hospital worker Jennifer Watkins was sexually assaulted and murdered. Two decades later, revolutionary DNA testing helps to solve this cold case. S2/Ep1
When a beloved local teacher is brutally attacked in her Pennsylvania home, her death shocks the community. After 27 years dedicated investigators trace her killer. S1/Ep9
When a young woman is found beaten to death in Wisconsin in 1984, the killer evades detection for decades. How did a revolutionary DNA method reveal his identity? S1/Ep8
In 1979, two young boys came home from school to find their mother's dead body in the living room. With no solid leads, how did investigators track down the killer? S1/Ep7
After being reported missing, a young couple's bodies were discovered more than sixty miles apart. How did the dedicated investigators eventually find the killer? S1/Ep6
After being reported missing, a young couple's bodies were discovered more than sixty miles apart. How did the dedicated investigators eventually find the killer? S1/Ep6
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? S1/Ep5
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? S1/Ep5
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? S1/Ep4
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? S1/Ep4
On Valentines' Day 2007, police in Southern California were called to a particularly violent murder scene. Advances in forensic genealogy finally solved the case. S1/Ep3
On Valentines' Day 2007, police in Southern California were called to a particularly violent murder scene. Advances in forensic genealogy finally solved the case. S1/Ep3
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. S1/Ep2
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. S1/Ep2
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. S1/Ep1