The murder of a gay couple in rural California has police stymied – who would want to hurt the well-like pair? As investigators and forensic scientists dig deeper, they suspect the killings are linked ...

Forensic experts describe their use of hi-tech tools to solve crimes, from lie-detectors to computers which can allegedly isolate a guilty face in a crowd.

Follow the twists and turns of crimes and mysteries as they are solved and proven by detectives and attorneys using the latest in forensic science techniques. Each episode focuses on a different case ...