norman led the staggering , bleeding charlie-david cop with the letter-opener in his throat back to his own black-and-white , expecting someone to come out of the steadily thickening fog at any moment-a man who 'd gone to get a sixpack , a woman who 'd been to the movies , a couple of kids on their way home from a date ( maybe , god save the king , an amusement-park date at ettinger 's ) -and when that happened he 'd have to kill them , too .