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

In 1998, a 12-year-old girl and a 38-year-old woman are found raped and murdered.

A woman storms out of a restaurant after an argument with her husband and is never seen alive again.

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.