
Eagle-eyed technical experts prove there is no such thing as a perfect crime as they assemble the pieces every criminal leaves behind. Dramatic crime re-creations and, sometimes, part of the investigations are a staple of the series. Some of the re-creations include alternate versions of the crimes, which are disproved by science. The show's episodes follow each case from the initial investigation until it reaches its legal resolution.

Lack of evidence compels investigators to look beyond the obvious when a woman is beaten to death at her in-laws house.

A girl who is abducted and then released soon afterward uses her knowledge of forensics to lead police to the kidnapper.

A dismembered body is dumped on the side of the New Jersey Turnpike and before police realize it, bodies are turning up between two states.

Insect evidence helps to solve the mystery of a woman found dead near a river bank.