Theroux seems to relish the challenge in his documentary on BBC2, Law and Disorder in Philadelphia. The endearingly weedy Theroux is seen bounding in and out of police cars, thrust into the frontline of rapid response teams. “My first thought was, If I get killed it’s not because I’m going to get shot or mugged, it’s because I’m going to die in a car accident”, he says. “The cops are unbelievable because they’re breaking all the red lights, going down one-way streets the wrong way, going down the middle of the road in heavy traffic, and dodging other cars.”