Bloodline Detectives: Hosted by Nancy Grace

In 1999, hospital worker Jennifer Watkins is sexually assaulted and murdered. 20 years later, revolutionary DNA testing helps to solve the cold case.

In Sacramento, three women are brutally assaulted by the same man. Investigators use genealogy technology to track down the suspect.

A small community in Utah is shocked when an elderly woman is brutally attacked in her own home.

In 1993, a 19-year-old woman is kidnapped and raped. A private forensic genealogy company is able to track down the suspect.

In 1997, a woman is attacked on her route home. A suspect is arrested over 20 years later with the help of a genetic genealogical search.

In 1974, a 5-year-old girl disappears while walking to her friend's house. 46 years later, detectives use modern DNA technology to solve the case.

A woman out for a walk is attacked and sexually assaulted by an unknown assailant. 14 years later, police use genetic genealogy and find the rapist.

When a woman is found dead in her home, detectives are left with more questions than answers.

A woman takes a genealogy test to learn what happened to her estranged mother and learns that her DNA helped law enforcement identify a Jane Doe.

In 1981 a young woman is found murdered on the side of the road. Decades later, law enforcement utilizes genetic genealogy to crack the case.

A young woman out jogging is attacked and viciously raped at knifepoint. The perpetrator continues his reign of terror over the next nine years.

In Alexandria, Virginia in 2016, a young female lifeguard is raped while working at a local pool. Police soon learn of a similar incident in Fairfax.

In August 1977, the body of a young girl was discovered by blackberry pickers in Everett, WA. Investigators launched a two-tiered investigation.

In 1968 in South Dakota, 60-year-old pharmacist Gwen Miller is found dead. But the case goes cold and remains so for decades.

In 1998, the bodies of Megan and Sherri Scherer are found lifeless in their sitting room. Both had been shot in the head several times.

In 1976, Leslie Penrod Harris storms out of a restaurant after an argument with her husband. Hours later, her body is found near El Toro Air Base.

December 1987 in Ohio, the nude body of 17-year-old Barbara Blatnik is found face down on a rural road. She had been violently raped and strangled.

In 1988, Janet Tinsley reports her 8-year-old daughter April missing after she fails to return home. Three days later, a man discovers her in a ditch.

On June 11th, 1963, a man fishing in Oregon reels in the body of a toddler. The child had been wrapped in blankets and weighed down by iron molds.