"We have a crime problem, and the next Mayor needs to face up to that fact instead of hiding behind political statistics and hiring ever more press officers." His approach draws on the anti-crime strategy of Rudy Giuliani when he was mayor of New York, which was widely regarded as a success. Mr Johnson backed US-style "Safe and Clean" teams in which businesses, and in some cases residents, pay a levy to make sure the streets are clean and graffiti, fly-posters and broken glass from car crime are removed.