
Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.
Following the decadeslong investigation into the murder of Helene Pruszynski.
In 1999, hospital worker Jennifer Watkins is sexually assaulted and murdered; 20 years later, revolutionary DNA testing helps to solve the cold case.
The story of four innocent victims and how their attacker became another successful target of the Bloodline Detectives.
How the revolutionary new science of familial DNA helped catch a rapist.