Few things to know about Edward Snowden

Edward Joseph Snowden is an American computer professional, former Central Intelligence Agency (CIA) employee, and former contractor for the United States government who copied and leaked classified information from the National Security Agency (NSA) in 2013 without authorization. His disclosures revealed numerous global surveillance programs, many run by the NSA and the Five Eyes Intelligence Alliance with the cooperation of telecommunication companies and European governments.

Source: Wikipedia

IF someone wants know about him more then check documentary bellow: https://www.youtube.com/watch?v=Nd6qN167wKo