
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 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.

When a young woman goes missing on the way to the train station, investigators use a strand of hair and a bloody pillowcase to find a suspect.

An investigation into the disappearance of a young woman uncovers a tooth that helps police solve a crime without a body.