FBI Director James Comey (L) shakes hands with Rep. Jason Chaffetz (R-UT), chairman of a House Oversight and Government Reform Committee, after a hearing on Capitol Hill in Washington, DC, on July 7, 2016. Comey is testifying on his July 5 recommendation that no charges be brought over US Democratic presidential candidate Hillary Clinton's use of a private email server while secretary of state, saying the investigation does not support a criminal prosecution. / AFP PHOTO / YURI GRIPASYURI GRIPAS/AFP/Getty Images