A man is caught speeding by a speed camera; he is sent a picture of the car with his license plate visible, the speed measured and the ticket to pay. He sends

A man is caught speeding by a speed camera; he is sent a picture of the car with his license plate visible, the speed measured and the ticket to pay. He sends back the police a picture of the money to pay for the ticket. The police send back a picture again -- this time of handcuffs. This time, he pays.