Policing that changes the conditions that give rise to recurring crime problems, and does not simply rely on responding to incidents as they occur or forestalling them through preventive patrols , , , , , , 11, 15, 19, 21, 28, 38, 55, 60
Problem-oriented policing (POP), coined by University of Wisconsin professor Herman Goldstein, is a policing strategy that involves identifying specific crime and disorder problems, such as occur in crime hot spots. With problem-oriented policing, the problem is analyzed and a strategy devised to tackle the problem. Over the past several years, problem-oriented policing (POP) has in many places virtually replaced the "incident-driven" method of state and local law enforcement.