WASHINGTON, DC - JULY 07: FBI Director James Comey testifies during a hearing before House Oversight and Government Reform Committee July 7, 2016 on Capitol Hill in Washington, DC. The committee held a hearing "Oversight of the State Department," focusing on the FBI's recommendation not to prosecute Democratic presidential candidate Hillary Clinton for maintaining a private email server during her time as Secretary of State. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JULY 07: FBI Director James Comey testifies during a hearing before House Oversight and Government Reform Committee July 7, 2016 on Capitol Hill in Washington, DC. The committee held a hearing "Oversight of the State Department," focusing on the FBI's recommendation not to prosecute Democratic presidential candidate Hillary Clinton for maintaining a private email server during her time as Secretary of State. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JULY 07: Committee chairman Rep. Jason Chaffetz (R-UT) (L) talks to Rep. Trey Gowdy (R-SC) (R) prior to a hearing before House Oversight and Government Reform Committee July 7, 2016 on Capitol Hill in Washington, DC. The committee held a hearing "Oversight of the State Department," focusing on the FBI's recommendation not to prosecute Democratic presidential candidate Hillary Clinton for maintaining a private email server during her time as Secretary of State. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JULY 07: U.S. Rep. Trey Gowdy (R-SC) arrives at a hearing before House Oversight and Government Reform Committee July 7, 2016 on Capitol Hill in Washington, DC. The committee held a hearing "Oversight of the State Department," focusing on the FBI's recommendation not to prosecute Democratic presidential candidate Hillary Clinton for maintaining a private email server during her time as Secretary of State. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JULY 07: FBI Director James Comey testifies during a hearing before House Oversight and Government Reform Committee July 7, 2016 on Capitol Hill in Washington, DC. The committee held a hearing "Oversight of the State Department," focusing on the FBI's recommendation not to prosecute Democratic presidential candidate Hillary Clinton for maintaining a private email server during her time as Secretary of State. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JULY 07: Committee chairman Rep. Jason Chaffetz (R-UT) waits for the beginning of a hearing before House Oversight and Government Reform Committee July 7, 2016 on Capitol Hill in Washington, DC. The committee held a hearing "Oversight of the State Department," focusing on the FBI's recommendation not to prosecute Democratic presidential candidate Hillary Clinton for maintaining a private email server during her time as Secretary of State. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JULY 07: FBI Director James Comey testifies during a hearing before House Oversight and Government Reform Committee July 7, 2016 on Capitol Hill in Washington, DC. The committee held a hearing "Oversight of the State Department," focusing on the FBI's recommendation not to prosecute Democratic presidential candidate Hillary Clinton for maintaining a private email server during her time as Secretary of State. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JULY 07: FBI Director James Comey testifies during a hearing before House Oversight and Government Reform Committee July 7, 2016 on Capitol Hill in Washington, DC. The committee held a hearing "Oversight of the State Department," focusing on the FBI's recommendation not to prosecute Democratic presidential candidate Hillary Clinton for maintaining a private email server during her time as Secretary of State. (Photo by Alex Wong/Getty Images)