
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 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.
In Lorton, Va., police attempt to determine who abducted 5-year-old Melissa Brannen after she disappeared from a Christmas party, but cannot be certain until they match hair from a rabbit-fur jacket Brannen wore that day.
When a Pennsylvania man checks into a hospital for leg pain and later dies of thallium poisoning, police investigate his wife and find her in the process of collecting an insurance payment for her previous husband's death.