
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 well-liked bank vice president collapses and dies after taking pain pills laced with cyanide; the search for a motive reveals a callous suspect who had murdered once before.

Authorities are able to apprehend a kidnapper because he allowed his victim to write a will on a telltale pad of paper.

Experts debate whether an apparent heart attack victim died from natural causes or alleged poisoning by his girlfriend.

After a Vancouver custodian finds a burned body in a dumpster, investigators determine the corpse's identity and attacker.