The articles present basic facts, statistics, and examples of all aspects of police work, including crime prevention, crime detection, criminal investigations, and police policies and procedures. Individual entries focus on the nature and investigation of specific types of crimes, police equipment, police technology, public attitudes toward police, police administration, training and other personnel issues, and police information systems. Additional entries discuss specific types of police units, police legal limitations and liabilities, victimization surveys, race issues, commission findings, drug law enforcement, police efforts to address white-collar crime, and facts about major urban police agencies. The history of policing and police ethics are also examined. Tables, reference lists, bibliography on police history, and index