When Dai Li was alive, the directors were all bosses in Chiang's retinue room, such as He Yaozu.

After Dai Li's death, Zheng Jiemin became the director and became the first director of the reorganized Secrecy Bureau.

Tang Zong, the leader of the Hunan faction of the military government, was opposed by the Guangdong faction of Zheng Jiemin and the Zhejiang faction headed by Mao Renfeng, and was out.

Later, Tang Zong became the Deputy Minister of Government Affairs of the Ministry of the Interior and the Director of Police. I switched to being a policeman.