title: Hot spots policing effects on crime
abstract: This Campbell systematic review examines the effects of focusing police crime prevention efforts on crime ‘hot spots’, and whether focused police actions at specific locations result in crime displacement (i.e. crime moving around the corner) or diffusion (i.e. crime reduction in surrounding areas) of crime control benefits. The review includes 19 studies covering 25 cases. Seventeen of the studies were conducted in the USA. Investing police agencies' limited resources on hot spot policing in a 
journal: Campbell Systematic Reviews