Justice Department Inspector General Michael Horowitz and FBI Director Christopher Wray wait to testify before the Senate Judiciary Committee on Monday. Mandel Ngan/AFP/Getty Images hide caption

FBI Director Christopher Wray addressed the background investigation of former White House staff secretary Rob Porter during a Senate intelligence committee hearing on Tuesday. Saul Loeb/AFP/Getty Images hide caption

FBI Director Chris Wray, accompanied by his wife, Helen Garrison Howell, FBI Deputy Director Andrew McCabe and Attorney General Jeff Sessions, is administered the ceremonial oath of office by U.S. District Judge Joseph Bianco during Thursday's installation ceremony at the FBI building in Washington, D.C. Andrew Harnik/AP hide caption

Then-nominee Christopher Wray is sworn in during his confirmation hearing before the Senate Judiciary Committee last month. Alex Wong/Getty Images hide caption

President Trump's nominee for FBI director, Christopher Wray, served for several years as an assistant attorney general before working in private practice. Lawrence Jackson/AP hide caption