
Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.
A town in Washington lives in fear after a 17-year-old girl is abducted and raped without a suspect in sight.
The identity of Nancy Bennallack's murderer was a mystery until the advent of investigative genetic genealogy.
In 1994, 42-year-old Le Bich-Thuy is found dead next to her home; decades later, DNA and genealogy technology allow detectives to track down the killer.
Following the decadeslong investigation into the murder of Helene Pruszynski.