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...
The available scientific evidence on the crime reduction value of focused deterrence strategies has been previously characterized as “promising” but “descriptive rather than evaluative” (Skogan and Frydl, 2004: 241) and as “limited” but “still evolving” (Wellford et...
Six of the seven tests (not all of which were independent) suggest that directed patrols reduced gun crime in high-crime places at high-risk times. The Colombian studies, which were based on before and after changes from repeated interventions measured at the city...
