An Introduction to American Policing continues to engage students with a balanced yet critical investigation of police history and theory. This comprehensive text connects the US criminal justice system, criminology, and law enforcement knowledge to the progress of the police community. Updated case studies and narratives from violators along with current research help students understand the central theories and practical realities of American law enforcement. This leading-edge textbook will satisfy both scholars, who lean toward theoretical perspectives, and practitioners, who favor practical recommendations. An Introduction to American Policing, Second Edition is an exciting and modern resource that will challenge and encourage readers to understand, imagine, reflect, and exercise good judgment when thinking about the principal issues related to American policing moving toward 2020.