Then China’s Public Security Minister Zhou Yongkang attends the opening ceremony of the 17th National Congress of the Communist Party of China at the Great Hall of the People, in Beijing October 15, 2007. China has begun an investigation into former domestic security chief Zhou Yongkang, one of the most powerful politicians of the last decade, on suspicion of corruption, state media said on July 29, 2014, in what could be one of the country’s worst scandals. Picture taken October 15, 2007. REUTERS/Jason Lee (CHINA – Tags: POLITICS CRIME LAW)