
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.

The body of a young girl is discovered strangled and shot; genetic genealogy is used to identify the victim and killer.

A 60-year-old pharmacist is strangled and sexually assaulted in her home; almost 50 years later her killer is tracked down using genetic genealogy.

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