
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.

When a businessman is murdered, motives and suspects are plentiful. Was it simply a disgruntled employee or client? Or do some racy photos hold the clue to the crime?

A real estate developer is shot, and his wife becomes the prime suspect, until the bullet is linked to a weapon reported missing 20 years ago.

When DNA proves that a man who practically admits to a brutal attack is innocent, police wonder why he is willing to take the blame.

A woman goes missing for a month with the only clues being a set of keys, a fingerprint and a code.