Of the five classified emails, the one known to be connected to Benghazi was among 296 emails made public in May by the State Department. Intelligence community officials have determined it was improperly released.
Revelations about the emails have put Clinton in the crosshairs of a broadening inquiry into whether she or her aides mishandled classified information when she used a private server set up at her New York home to conduct official State Department business.
While campaigning for the 2016 Democratic presidential nomination, Clinton has repeatedly denied she ever sent or received classified information. Two inspectors general have indicated that five emails they have reviewed were not marked classified at the time they were stored on her private server but that the contents were in fact “secret.”