
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.
Police investigate the possibility of a hate crime when two women go missing and are later found murdered.
When a human skeleton is found on marshland and determined to be at least 18 months old, a computer consultant gives her a face and name.
A woman's body is found inside a burned mobile home and the autopsy reveals she was beaten, making this a murder.
Security guard who disappeared from his post was found a year later in a remote camp site; a decade later, a phone call and a paint smear on his boot helped scientists determine what happened during his final moments.