Social Control, Law, Crime, and Deviance Commons^™

Why We Need Police, Justin Mccrary, Deepak Premkumar

Faculty Scholarship

This chapter discusses the essential role that the police have in deterring and reducing crimes, particularly the most violent and costly ones to society, such as murder. We begin by providing a brief overview of deterrence theory before discussing the empirical evidence on the efficacy of police staffing and various policing strategies on crime reduction. Using a framework developed in Weisburd and Eck (2004), we quickly evaluate the model of standard policing and then mainly focus on evidence behind three current policing practices: hot spots, problem- oriented, and proactive. Finally, we use the empirical evidence of police staffing to provide …