During the investigation of Huang Guangyu's economic case, the public security department found that Zheng Shaodong, assistant minister of the Ministry of Public Security, and Xiang Huaizhu, deputy director of the Department of Economic Investigation, were suspected of disciplinary violations and illegal acts. Currently, the two are under investigation. The other day, relevant people of the Ministry of Public Security expressed to the public through the Xinhua News Agency that it would not cover up the problems appearing in its teams.