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

The science of familial DNA is used to identify a rapist who eluded justice for years.

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

In 2018, a 79-year-old woman in Utah is sexually assaulted after a man breaks into her home; genetic genealogy immediately identifies the rapist.

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