Lawrence Bittaker, along with partner Roy Norris, used to drive around with a toolbox looking for victims to torture during a heinous five-month stretch in 1979.
“By the way, have the police been having a good time with the code?” the Zodiac Killer taunted police about a complex cipher in one chilling letter. “If not, tell them to cheer up; when they do crack it they will have me.”