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Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.
S3, EP19 "Delta Dawn"
Police are stumped when a toddler's body is found in Escatawpa River, leading to a decades-long mystery.
S4, EP5 "The Court Reporter Murder"
The identity of Nancy Bennallack's murderer is a mystery until the advent of investigative genetic genealogy.
S4, EP4 "The Mammoth Lakes Murder"
The identities of a woman and her killer are mysteries for years - until genetic genealogy offers answers.
S3, EP4 "Last Seen at Dairy Queen"
In 1979, Kim Bryant's body is discovered in the Las Vegas desert; it takes law enforcement 40 years to name her killer.
S4, EP20 "Murder in Marietta"
The 1972 rape and murder of 9-year-old Debbie Lynn Randall is solved thanks to new science - 50 years later.
S4, EP19 "The Sadistic Killer"
Investigative genetic genealogy unmasks the sexual deviant who raped and killed Christina Castiglione in 1983.
S4, EP18 "Carrie's Courage"
A woman who was sexually assaulted at gunpoint in the 1980s contacts a genetic genealogist to solve her case.
S4, EP17 "Murder in Apartment 101"
In 2022, investigative genetic genealogy exposes a killer who stabbed a woman to death in her home in 1980.