China to investigate ex-President Hu's top aide
ABC News, December 22, 2014
http://abcnews.go.com/International/wireStory/china-investigate-president-hus-top-aide-27759509
How son’s death in a high-speed car crash led to powerful Chinese official’s fall from grace
South China Morning Post, December 23, 2014
http://www.scmp.com/news/china/article/1668151/how-sons-death-high-speed-car-crash-led-powerful-chinese-officials-fall