Several prominent US Senators and mayors have been outed as members of the Ku Klux Klan (KKK) and other racist groups by the hacktivist collective Anonymous, and the group hints that more politicians and public figures will be named in the near future.
http://www.ibtimes.co.uk/anonymous-opkkk-four-us-senators-associated-ku-klux-klan-revealed-by-hacktivists-1526846
http://usuncut.com/politics/anonymous-unhoods-kkk-prominent-politicians/
http://www.al.com/news/index.ssf/2015/11/ku_klux_klan_info_leaked_by_an.html