
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.
While investigating the case of a Colorado hunter shot three times and killed, police suspect two murder weapons, and two killers, but forensic evidence points them closer to home.
Authorities are able to apprehend a kidnapper because he allowed his victim to write a will on a telltale pad of paper.
Experts debate whether an apparent heart attack victim died from natural causes or alleged poisoning by his girlfriend.
A search in Virginia's DNA databank reveals the identity of a news producer's murderer.