Cyclist who mocks Christine

At the stop sign forty yards up, it stalled. A kid rode past the hulk on his Raleigh, and his impudent, brassy shout drifted back to me: 'Put it in a trash-masher, mister!' Arnie's closed fist popped out of the window. His middle finger went up as he flipped the kid the bird.

Passing boy who tells Arnie to put Christine in a trash compactor.