It was John's turn to drive carpool into town on a day when a new member was traveling along for the first time. As they rode along he began to be suspicious of his new carpooling passenger.
John checked to see if his wallet was safe in the pocket of his coat that was on the seat between them, but it wasn't there! Ah, just as he suspected! He immediately slammed on the brakes, ordered the fellow out, and said, "Hand over the wallet!"