The introduction to the text discusses the basis of police power, early police patrol in the United States, modern police patrol, public perceptions of police patrol, and the quality of police patrol services. Subsequent chapters cover ethics in law enforcement, basic police patrol equipment, basic police patrol concepts, police communications, handling service calls, and vehicle operations. Final chapters examine procedures for dealing with substance abuse and gangs, field interviews, arrest procedures, police investigations and reports, courtroom procedures, handling civil disturbances and other disasters, police officer survival, and the future of law enforcement. Figures and photographs