Hahaha, since she fully admitted the fact that she used a private server the reason they never charged her with illegal operation of a private email server is because......drum roll.....it wasn't illegal. It's not like the IG didn't know about it either. It was never a secret. She got the idea from Colin Powell who didn't use the Gov. email system either.
"Hillary Clinton served as Secretary of State from January 21, 2009, untilFebruary 1, 2013. During that time, she used private email servers hosting
the@clintonemail.com domain to conduct official State Department business.44According to FBI documents, former Secretary Clinton and her husband, formerPresident Bill Clinton, had a private email server in their house in Chappaqua, N.Y.,beginning in approximately 2008 (before Clinton’s tenure as Secretary of State) foruse by former President Clinton’s staff. Former Secretary Clinton told the FBI that,in or around January 2009, she “directed aides...to create the clintonemail.comaccount,” and that this was done “as a matter of convenience.”