In the fall of 1982, an unfounded fear haunted almost every house in Chicago. As area children prepared to “trick” their neighbors with their impressions of werewolves, vampires, and zombies, their parents were much more terrified of the “treats” their kids were eager to devour. Candy was a potential murder weapon. Apples might contain carefully concealed razor blades. Twizzlers might be laced with rat or ant poison. Mayor of Chicago Jane Byrne urged extreme caution and vigilance on Halloween, adding that if she had children, she would not allow them…