The field of law enforcement -- A brief history of early policing -- The evolution of law enforcement in the United States -- The public law enforcement community in the United States -- Organizational structure and its impact -- Law enforcement tasks, roles, and styles -- The selection, training, & education of personnel -- Socialization, advancement, & professionalism -- Legal restrictions and challenges -- Crime and theory : applying values and strategies -- Technology in law enforcement -- National security, homeland security, and private sector protection -- Policing models, strategies, and tactics -- Future issues in law enforcement and recommendations.