
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.
When a high school athlete is killed in a hit-and-run accident, investigators hoped tiny paint chips and shards of plastic would lead them to the driver.
A woman is abducted and a month later found dead, then a tip leads investigators in the right direction.
How the bombs were made leads investigators in Colorado to find the perpetrator.
DNA profiling reveals clues leading to a killer's identity 20 years later.