Domestic Security Protection Bureau

(Domestic Security Protection Bureau of the Ministry of Public Security) 國保局:  Also known as Bureau 1 of the Ministry of Public Security, and formerly known as the Political Protection Bureau of the Ministry of Public Security, it was established on the model of the State Political Administration of the Soviet Union. It oversees the network including the local units known as National Security Brigade, National Security Corps, and National Security Division, and coordinates the crackdown on political and religious dissidents.