Calling all cars: radio dragnets and the technology of policing

Introduction: Heeding the call

Policing perception : public image management and the creation of the radio crime docudrama

The sound of intimate authority : professionalism and the reformation of police officers

Gang busting : criminals and citizens in a professional world

The dragnet effect : space, time, and police presence

The shadow of doubt and the menace of surveillance

Conclusion: Hearing the echoes.