In August 2011, the Ministry of Public Security and other 6 ministries jointly deployed and carried out the special campaign “to crack down on four blacks and eliminate four harms" across the country. Beijing Municipal Government attached great importance to the special campaign, which achieved remarkable victories and totally destroyed 1, 822 four-black and four-harm gangs and dens and captured more than 4, 430 criminals sine August 22.
Next, the public security authorities will, with the competent government departments, continuously strengthen the work “to crack down on four blacks and eliminate four harms", and through stabilizing and perfecting mechanisms, cause the government departments to find clues jointly and conduct follow-up enforcement synchronously, further enhancing the people's sense of security and satisfaction, and creating a good social security environment.