
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.
Police exhume the body of Karla Brown, murdered in her home in 1978, to study bite wounds, which eventually lead to the killer.
A new life-insurance policy sparks suspicions of murder when a Nova Scotia schoolteacher's body is found at the bottom of her basement stairs.
A beverage company pleads guilty to violating federal safety laws when a baby dies from E. coli after drinking apple juice.
After more than 20 people on a Native American reservation die suddenly from a flu-like disease, Navajo medicine men provide a clue that leads to a most unlikely killer.