Hillary Clinton should have been “deeply aware” that she was mishandling classified information, a House Republican said on Monday, adding that he was optimistic law enforcement would soon conclude its massive investigation into the matter.

“It is hard for me to imagine how a professional who had classification authority at the State Department, someone very well-versed in the proper handling of information and the requirements of what was permissible, could possess that much information on a non-secured device or system without being deeply aware the information was there,” Rep. Mike Pompeo, R-Kan., told the Washington Examiner