Environmental Crime Prevention:
> Wilson and Kelling - broken windows - the absence of control leads to crime, so we need to crack down on disorder
> environmental improvement - repair any signs that suggests no one cares, such as broken windows or graffiti
> zero tolerance policing - proactively tackling the slightest sign of disorder, even if it is not criminal
> supporting evidence - clean car programme in NYC (graffiti on subway cars), cracking down on 'squeegee merchants' found people with outstanding warrants for violent and property crimes