Watch S13, EP31: Hair Line with Fubo for $0 Today
By cutting a strand of a murdered man's hair into sections, forensics reveal a record of his last six months alive, and find he was frequently ingesting huge amounts of arsenic.
By cutting a strand of a murdered man's hair into sections, forensics reveal a record of his last six months alive, and find he was frequently ingesting huge amounts of arsenic.
More episodes
More crime shows
See allThe FBI Files
Take a look behind the scenes of the Federal Bureau of Investigation's crime laboratory.
Forensic Files
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.
Unsolved Mysteries With Robert Stack
Dramatic re-enactments, interviews and updates tell the stories of real mysteries, from human to the supernatural.
World's Most Evil Killers
An in-depth look at some of the world's most dangerous murderers.