
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.

Two people witness a truck driving over an unconscious man and flee into a nearby bar, but when the police turn up, the truck, the man and the witnesses are gone.

A homicide detective claims his wife accidentally shot herself in the head, but the evidence indicates otherwise.

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

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