After reading this chapter, students will be able to:

• Identify the influence of early societal development on the emergence of policing
• Evaluate the influence of the English system of policing on the American system
• Explain the developments in policing during the four main eras
• Distinguish among municipal, county, state, and federal police
• Identify four types of special jurisdiction police agencies
• Describe five different federal police agencies
• Explain how police departments are structured