
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.
Detectives find suspicious similarities when a husband and wife report their second daughter missing a few years after the disappearance of their first.
A family suspects their teenage daughter's new friends were involved in her disappearance.
Detectives learn that a genetic disorder caused the deaths of a woman's children, resulting in an overturned conviction.
Forensic scientists try to find a way to "lift" the serial number from a shotgun that's their only clue in a case.