Please remind me that it's wrong to kill people who rob and beat your son up. Even if you really, really want to. It will serve no purpose, the universe will have its own revenge on them and I have a non violent stance to maintain. Fuckers are in custody anyway, police have recovered his mobile as evidence. 3 blokes, 2 girls and the girls approached a bunch of them camping after a concert claiming to be CID officers. As he said 'the first mistake was trying to use logic on chavs'. One black eye and swollen nose later he's learnt a valuable if painful lesson.