
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.
A DNA dragnet catches a killer eight years after the kidnapping, rape and murder of a college coed in Oklahoma.
A nosy neighbor with a disturbing obsession becomes a suspect in a woman's murder at an upscale apartment complex; police discover an incredible link to an unrelated murder thousands of miles away.
A college student turns up dead, and her boyfriend becomes a prime suspect when blood splatters are discovered on his wall.