
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 woman gets shot in her driveway; she may have been the victim of a co-worker half her age that she had recently rejected.

When a man's wife kills herself 14 years after his college sweetheart commits suicide, police start to get suspicious.

A convicted arsonist claims his innocence and with no lawyer, no money and only a fifth-grade education, sets out to prove it.

A pair of tennis shoes are found near a victim who had been stabbed on the beach, less than ten yards from her hotel.