Very rarely see police on the Tube in London (or in Berlin, Lisbon, Milan or Barcelona for that matter). Still little crime (other than pickpockets) and practic

Very rarely see police on the Tube in London (or in Berlin, Lisbon, Milan or Barcelona for that matter). Still little crime (other than pickpockets) and practically no violent crime. Seems to me like the problem is probably bigger than just failings in law enforcement.