Kang Sheng oversaw the work of the People"s Republic of China"s security and intelligence apparatus at the height of the Cultural Revolution in the late 1960s. He was a close associate of Mao Zedong and remained at or near the pinnacle of power for decades. After his death, Kang Sheng was accused of sharing responsibility with the Gang of Four for the excesses of the Cultural Revolution and expelled posthumously from the Communist Party in 1980.