With the growing global importance of China, Chinese organised crime has become a growing non-military threat to national and international security. Peng Wang focuses on the three dimensions of Chinese organised crime: the resurgence of the criminal underworld and rampant police corruption in mainland China, cross-border crime in Greater China, and Chinese organised crime overseas, including in the UK. The national, regional and international threats posed by ethnic-Chinese criminal groups require the law-enforcement agencies of both China and those countries hosting Chinese communities to improve their response strategies as a matter of urgency.