This is why it wasn't just swept under the rug. Hillary has been spying on the US intelligence community.

https://www.propublica.org/article/private-emails-reveal-ex-clinton-aides-secret-spy-network

Update, March 27, 6:48 p.m.: This story has been updated to include responses from the FBI and the State Department.

Starting weeks before Islamic militants attacked the U.S. diplomatic outpost in Benghazi, Libya, longtime Clinton family confidante Sidney Blumenthal supplied intelligence to then Secretary of State Hillary Clinton gathered by a secret network that included a former CIA clandestine service officer, according to hacked emails from Blumenthal’s account.