I think there is only circumstantial evidence at this point, in that Clinton&#x27;s emails imply that her staff is able to forward classified information to her.  Since the staff does not have a legitimate means of access, it&#x27;s hypothesized that they may be using her login credentials.  Description here: <a href="http:&#x2F;&#x2F;www.foxnews.com&#x2F;politics&#x2F;2016&#x2F;03&#x2F;03&#x2F;fbi-investigating-if-clinton-aides-shared-passwords-to-access-classified-info.html" rel="nofollow">http:&#x2F;&#x2F;www.foxnews.com&#x2F;politics&#x2F;2016&#x2F;03&#x2F;03&#x2F;fbi-investigating...</a>