
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.
A woman is found dead on her bedroom floor, the only clue is a bloodstained sheet; breakthrough forensics enable police to identify the killer.
A young man is killed in a mysterious car crash, but the evidence at the scene lead investigators to believe it is not an accident; forensic science reveals what really happens, and the truth devastates three families.
A woman is found dead, police use blood evidence and computer forensics to convince a jury that the murderer is guilty.
When an elderly woman dies in an apparent robbery-homicide, evidence suggests the suspect broke out of the house rather than breaking in.