Child curfews are an important form of zero tolerance policing, showing that a community will not allow an atmosphere of lawlessness to develop. Paul McKeever, Chairman of the Police Federation in England and Wales, argues that: ‘“It would send out the message that we are serious that the criminal justice system has the power to impose immediate sanctions for bad behaviour and that “no” will mean “no”. At the moment no is negotiable.1”The idea of zero tolerance comes from the theory that if low-level crimes, like graffiti-spraying, window breaking and drug-dealing (all common juvenile offences) are not acted against swiftly and effectively by the police, then a permissive atmosphere is created where violence and other serious crimes flourish and law and order breaks down entirely.  1. McKeever, 2009