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

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

In 1967, Susan Galvin is found dead; the case is reopened with the help of forensic genealogy in 2018.

In 1987, the body of a 17-year-old girl is found face down on a rural road; she had been raped and strangled.

In 1988, an 8-year-old girl goes missing; three days later, the girl's body is found in a ditch.