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

New forensic science may finally be able to reveal who murdered Tonya McKinley on New Year's Eve in 1985.

The murder of Carol Sue Klaber has been cold for decades until new technology can finally bring her killer to light.

The NorCal Rapist terrorized the women of Northern California for years until forensic science could identify him.

Michelle Wyatt is found strangled to death in 1980 in her condo; few leads arise until 41 years later, thanks to forensics.