The CPC Central Commission for Discipline Inspection, the country's top anti-graft agency, conducts initial investigations of officials suspected of violating Party rules. Once there is sufficient evidence of wrongdoing, such as accepting bribes and abusing power, suspects are directed to judicial departments for prosecution.

Senior officials, including four State leaders, named in the crackdown include (name, position held, status of case):

. Zhou Yongkang, security chief, investigated by Supreme People's Procuratorate in December