
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.

Evidence reveals a teacher who complained of being stalked and harassed by another teacher was scamming police.

When a young boy has serious respiratory problems and his father shows signs of early Alzheimer's disease, a chance encounter with a stranger kicks off an investigation into the cause.

A man kills two people with bombs in an effort to get investors off his back, but authorities catch onto him, and he becomes sentenced to life with no chance of parole.