
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.
A real estate developer is shot, and his wife becomes the prime suspect, until the bullet is linked to a weapon reported missing 20 years ago.
A woman goes missing for a month with the only clues being a set of keys, a fingerprint and a code.
Police discover a mask near the crime scene and hope that it leads to the killer of a funeral director.
A killer assaults a young mother in her home, but despite meticulous washing of the crime scene, a single hair remains to lead authorities to the culprit.