
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 a Delaware man's mother is found dead, he tells a story that's so improbable police think it can't possibly be true.
Tests reveal the race, eye color and hair color of the person responsible for killing two young women on Halloween night.
A DNA dragnet catches a killer eight years after the kidnapping, rape and murder of a college coed in Oklahoma.
The only lead to finding a serial killer on the loose is a bloody fingerprint on the body of a victim.