"Those concerns that Hillary Clinton's private email server had classified intel? They're apparently well-founded. Sources for Fox News and Politicomaintain that two of the messages sent to Clinton were labeled as "top secret" when fresh. One of them was eventually reduced to "secret," but critics say that's beside the point: they're worried that the email wasn't subject to tougher government security standards, and could have been compromised."
http://www.engadget.com/2015/12/16/clinton-server-had-top-secret-email/
http://www.engadget.com/2015/12/16/clinton-server-had-top-secret-email/