This book gives an introduction to globalization since crimes at present are globalized. In response to global crimes, innovative policing is necessary to combat local crimes before they become global. It also covers the local and global responses of law enforcement officers to crimes. The topics on comparative police system are limited to the United States of America, some European and ASEAN countries. The topics are the fundamentals of police systems like qualifications, recruitment processes, organizational structures, functions and responsibilities of police officers.