I know the scenario mate I'm a doorman and we'd had trouble one night with this right prick anyway managed to get him out and he was doing all the slit throat gestures and how he was coming back for me anyway he came back 30 mins later with one hand in his pocket holding something and one saying to come and get him the local cctv linked to the police saw the whole thing, anyway I went out smashed him all over and restrined him waiting for a copper to come just to be arrested for abh