Benghazi Czar Trey Gowdy (R-SC) The House Benghazi Committee's investigation rolls on, having spent $3.5 million and counting. Up next, a secret grilling of former Bill Clinton aide and longtime Bill-and-Hillary friend Sidney Blumenthal. Blumenthal sent then-Secretary of State Hillary Clinton a series of emails about Libya, and House Republicans are seeking to make this look like one of the root causes of the deaths at the U.S.