
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.
Two years after an 18-year-old's murder in Albion, Mich., a tiny drop of blood and burned bones lead police to her killers.
A mother claims that an intruder murdered her two sons, but lacking a motive, police use blood-spatter analysis and behavioral profiling to reconstruct a different scenario.
A routine missing persons report leads Texas police to discover a deadly love triangle; evidence found in a suspect's home matches the murder scene and leads to the indictment of the victim's girlfriend and her lover.
A husband confesses to his wife's murder, only to be found not guilty a year later when a phone tip and forensic evidence point to another.