A man in his early twenties stood at the side of the road waving at the passing cars to get attention — eventually, a vehicle with two men inside parked up beside the desperate motorist. The would-be rescuers jumped out of their car and approached the man who stopped them. He opened his mouth to speak, something that he would come to regret. The smell of alcohol from his breath hit their nostrils. They knew he had been drinking, and the two police officers were going to do something about it…