Explore compelling cases that have gone cold for years, chronicling the journeys of the detectives who reopened them. The detectives relive the events of the crimes, reveal new twists and startling revelations, relying on breakthroughs in forensic technology and the influence of social media to help crack these cases.

Real crimes, disease outbreaks and accidents around the world are solved by experts using scientific laboratory analysis which helps them find previously undetectable evidence. Brilliant scientific work helps convict the guilty and free the innocent.