
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.

After the discovery of a skull in the forest near a boy scout camp, police use facial reconstruction to identify the body.

The bomb was constructed to cause as much damage as possible, and it did, killing the victim with deadly force and flame; a painstaking search yielded tiny clues, which identified the killer as surely as if he'd signed them.

In a series of murders near Sacramento, Calif., a killer gags and molests prostitutes, cuts their clothes in random patterns and cuts off their hair; microscopic evidence helps solve the case.

A man calls for help when his wife has a fatal fall down the stairs; numerous amount of bloodstains make police suspicious.