She has a very particular set of toys; toys acquired over a very long career. Toys that make her a nightmare for people like Bill. She will look for him, she will find him, and she will allow him to pay her for some verbal insults and a painful, hour-long handy.
Actually I kind of picture her being up the Clarice to his Hannibal, his stubborn paranoia all rope-a-doping her into madness.
Good ending: "We need to be selective to continue a strong, intelligent species, and not weaken it by breeding with neanderthal knuckle draggers like you." EVOPSYCH'D.