
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.
Investigators weigh several theories while probing the death of a retired police officer, including a botched robbery and suicide.
Investigators piece together tiny clues at the scene of a hit-and-run accident; their findings help to track down the offending driver.
The bodies of two young women are found in the ashes of an apartment fire.
Suicide notes and a pistol in hand lead police to suspect that a mother of two young children appeared to have killed herself, but when investigators learned of a house fire she was in three years earlier, they reinvestigated.