"Gimme your money!" he shouted, pointing a pistol at me. He had jumped out from behind some bushes. It was a dark winter evening. I was alone. Nobody was about. I was ten metres from the entrance to New Cross railway station, about to return home, having walked my girlfriend to her train after an evening together. Street lighting beyond the railway was abysmal. I jumped with surprise. It was my first mugging. It was my first year living in London. I was aware of the advice: hand over your wallet and do not argue. I knew the fate of Thomas Wayne.