
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.

A teenager goes missing after an evening of horseback riding; her body is found a month later, three miles from her home; the killer unknowingly leaves a trace of evidence behind, tiny but unmistakable clues that pointed to him and him alone.

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.

Investigators unravel a twisted tale of lust, greed and deception after a woman claims her husband was gunned down by intruders.