
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.

An abandoned, still-running car leads investigators to a body with unusual marks and a DNA trail that lead to the killer.

One year after her father's death, a teen's role in a high school production of "Hamlet" causes her to reveal the chilling truth behind her family's tragedy.

A mother puts her hope on the internet and an independent investigation to clear her name after authorities charge her with murdering her 17-month-old son in a fire considered to be intentionally set.

A seemingly model citizen turns out to be a serial killer.