
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 man tells police he shot an intruder who murdered his wife; forensic evidence leads police to re-examine the man's motives.
Hikers near Anchorage, Alaska discover a body wrapped in sheets edged in orange stitching; they discover threads of evidence clinging to the sheet.
A police officer claims his estranged wife's shooting death was a suicide, but investigators think it was a murder.
A woman disappears without a trace, and police learn two other women vanished under similar circumstances.