Known as The Happy Face Killer for the smiley faces he drew on letters to the press, murdered at least 8 women across the U.S. in the 1990s.
He wanted to be a Royal Canadian Mounted Policeman until an injury ruined his chances.
He primarily raped and strangled his victims, who were usually prostitutes, while working as a truck driver.
He married Rose Hucke when he was 20, and they had 3 children before divorcing in 1990.
He wrote letters to the media, as did "Son of Sam" David Berkowitz.