Every detective knows that the first 72 hours after a crime are crucial to solving it.

Through an original cinematic blend of potent documentary footage and dramatic re-enactments, each episode focuses on one unforgettable case, featuring on-camera participation of the detectives and forensic scientists who worked on it. Murder, assault, robbery, hijacking, bombing, arson – the stories go behind the headlines to reveal the amazing technologies, clever techniques and penetrating insights that solved the crimes.