Published on 27 Mar 2015 on YouTube, by InzideJob

William Binney — one of the best mathematicians and code breakers in National Security Agency (NSA) history — worked for America's premier covert intelligence gathering organization for 32 years before resigning in late 2001 because he "could not stay after the NSA began purposefully violating the Constitution."

Also: Business Insider
Title: Latest Glenn Greenwald Scoop Vindicates One Of The Original NSA Whistleblowers
http://www.businessinsider.com/nsa-whistleblower-william-binney-was-right-2013-6#ixzz3ZkhIIVC9