Billy the Axeman
Billy the Axeman (also referred to as the Ax-Man, the Midwest Axeman, and the Man from the Train) was the name of a suspected serial killer thought to be responsible for a series of family murders that occurred mainly in the U.S. Midwest between September 1911 and June 1912. Attacks attributed to this killer are characterized by the slaying of a whole family in their beds by crushing their skulls with a blunt instrument, usually an axe.