The termination letter from President Donald Trump to FBI Director James Comey is photographed in Washington, Tuesday, May 9, 2017. Trump abruptly fired Comey, ousting the nation's top law enforcement official in the midst of an investigation into whether Trump's campaign had ties to Russia's election meddling. In the letter to Comey, Trump said the firing was necessary to restore "public trust and confidence" in the FBI. (AP Photo/Jon Elswick
FBI police vehicles are parked next to the J. Edgar Hoover FBI headquarters building early in the morning in Washington, Wednesday, May 10, 2017. President Donald Trump fired FBI Director James Comey Tuesday evening. (AP Photo/J. David Ake)
In this May 3, 2017, file photo, FBI Director James Comey listens on Capitol Hill in Washington. President Donald Trump has fired Comey. In a statement on Tuesday, May 9, Trump says Comey’s firing “will mark a new beginning” for the FBI. (AP Photo/Carolyn Kaster, File)
In this Dec. 9, 2015, file photo, FBI Director James Comey prepares to testify on Capitol Hill in Washington. President Donald Trump abruptly fired Comey May 9, 2017, dramatically ousting the nation's top law enforcement official in the midst of an FBI investigation into whether Trump's campaign had ties to Russia's election meddling. (AP Photo/Susan Walsh, File)
The letter from Deputy Attorney General Rod Rosenstein titled "Restoring Public Confidence in the FBI" is photographed in Washington, Tuesday, May 9, 2017. President Donald Trump abruptly fired FBI Director James Comey, ousting the nation's top law enforcement official in the midst of an investigation into whether Trump's campaign had ties to Russia's election meddling. In the letter to Comey, Trump said the firing was necessary to restore "public trust and confidence" in the FBI. (AP Photo/Jon Elswick)
FILE- In this May 3, 2017, file photo, FBI Director James Comey listens while testifying on Capitol Hill in Washington. President Donald Trump has fired Comey. In a statement on Tuesday, May 9, Trump says Comey’s firing “will mark a new beginning” for the FBI. (AP Photo/Carolyn Kaster, File)
FILE - In this undated file photo provided by the FBI shows Joseph D. Jones, left, and Edward Schimenti, both of suburban Chicago, pose in front of an Islamic State group flag. The two men, who are accused of seeking to provide material support to terrorists, pleaded not guilty Wednesday, May 3, 2017, at federal court in Chicago. Both were arrested by FBI agents on April 12, 2017. (FBI via AP, File)
This image made from a surveillance video provided by the FBI shows a disguised suspect robbing a PNC Bank on July 2, 2016, in North Wales, Pa. The FBI has arrested a suburban Philadelphia man it says was the "Straw Hat Bandit," a bank robber who wore a straw hat, mask and other disguises in stickups dating back to 2012. A federal indictment returned Wednesday, April 19, 2017, charged Richard Boyle, already a convicted bank robber, with carrying out 11 bank robberies that netted him nearly a half-million dollars. (FBI via AP)
This image made from a surveillance video provided by the FBI shows a disguised suspect robbing a PNC Bank on July 2, 2016, in North Wales, Pa. The FBI has arrested a suburban Philadelphia man it says was the "Straw Hat Bandit," a bank robber who wore a straw hat, mask and other disguises in stickups dating back to 2012. A federal indictment returned Wednesday, April 19, 2017, charged Richard Boyle, already a convicted bank robber, with carrying out 11 bank robberies that netted him nearly a half-million dollars. (FBI via AP)
This poster released by the FBI shows Bhadreshkumar Patel. The FBI announced Tuesday, April 18, 2017, that it’s adding Patel to its list of “Ten Most Wanted Fugitives” and offering a reward of up to $100,000 for information leading to his arrest. He’s charged with murder in the 2015 slaying of Palak Patel in a back room of the shop in Hanover, Md. He was last seen in New Jersey, taking a hotel shuttle to Newark Penn Station. (FBI via AP)
In this undated photo provided by the Federal Bureau of Investigation Joseph D. Jones, left, and Edward Schimenti pose in front of an Islamic State group flag. Jones and Schimenti were arrested by FBI agents on Wednesday, April 12, 2017 on terrorist charges for allegedly conspiring to support the Islamic State militant group. (FBI via AP)
This combo made Tuesday, April 11, 2017, from images provided by the FBI shows Joseph Jakubowski's mug shot at left and an altered image the FBI made to show Jakubowski with his head and facial hair shaved off. Authorities released the modified mug shot of Jakubowski, because the FBI believes he may have altered his appearance. More than 150 state and federal law enforcement officers have been searching for Jakubowski since April 4, when they believe he took 18 firearms from a gun store in Janesville in southwestern Wisconsin. (FBI via AP)
FILE - In this Feb. 17, 2010, file photo, Tamerlan Tsarnaev smiles after accepting the trophy for winning the 2010 New England Golden Gloves Championship in Lowell, Mass. The FBI says one of the Boston Marathon bombers told agents in 2011 that four young men in suits had gone looking for him but never returned and he didn't know why. The revelation came in an FBI interview report released Monday, April 10, 2017. The FBI previously acknowledged interviewing bomber Tamerlan Tsarnaev two years before the marathon attack. Tsarnaev died during a police confrontation days after the April 15, 2013, attack, which killed three people and injured hundreds. (Julia Malakie/The Lowell Sun via AP, File)
FILE - In this July 11, 2016, file photo, visitors at a makeshift memorial outside the Pulse nightclub, the day before the one month anniversary of a mass shooting, in Orlando, Fla. The FBI has been reviewing the handling of thousands of terror-related tips and leads received over the last three years to make sure they were properly investigated and that no obvious red flags were missed, The Associated Press has learned. It follows attacks by people once on the FBI’s radar but who in the last 12 months are accused of massacring innocents in an Orlando nightclub, injuring people on the streets of New York, and gunning down travelers in a Florida airport. (AP Photo/John Raoux, File)
FILE - In this March 20, 2017, file photo, FBI Director James Comey, testifies on Capitol Hill in Washington. The FBI has been reviewing the handling of thousands of terror-related tips and leads received over the last three years to make sure they were properly investigated and that no obvious red flags were missed, The Associated Press has learned. The audit is an acknowledgment of the challenge the FBI has faced, particularly in recent years, in predicting which of the tens of thousands of tips the bureau receives annually will someday materialize into a viable threat. Comey has likened the difficulty to finding not only a needle in a haystack but determining which piece of hay may become a needle. (AP Photo/Manuel Balce Ceneta, File)
FILE - In this Nov. 2, 2016, file photo, the FBI's J. Edgar Hoover headquarter building in Washington. The FBI has been reviewing the handling of thousands of terror-related tips and leads received over the last three years to make sure they were properly investigated and that no obvious red flags were missed, The Associated Press has learned. (AP Photo/Cliff Owen, File)
This undated photo provided by the FBI shows Alycia "Aly" Leane Yeoman. Authorities are offering a $5,000 reward for information about the 20-year-old northern California college student who has been missing since March 30, 2017. Yeoman's family said in a statement Friday, April 7, 2017, that it is unlike her to disappear and skip her two restaurant jobs. They found her pickup truck and cellphone near a river levee about 50 miles north of Sacramento. (Courtesy of FBI via AP)
ADVANCE FOR MONDAY APRIL 3 AND THEREAFTER This Wednesday March 29, 2017 photo shows P.M. Carper, the chapter chairman for the Society of Former Special Agents of the Federal Bureau of Investigation, left, as he presents Linney Connolly with a memento that recognizes Connolly's many years of service and dedication to the Federal Bureau of Investigation in Elkins W.Va. (Brooke Binns/Daily Inter-Mountain via AP)
FILE - This December 2016 file image released by the FBI shows a wanted poster for Robert Van Wisse, a former University of Texas student from Mexico sought in the 1983 slaying of a cleaning woman in Austin. Van Wisse, who authorities had sought for decades in the death of Laurie Stout has pleaded guilty to a charge of murder and will be sentenced to 30 years in prison. Van Wisse entered his plea Tuesday, March 28, 2017, as part of an agreement reached earlier with prosecutors. (FBI via AP)
This Feb. 2, 2017 image from security camera video, released by the FBI and the Pasadena, Calif., Police Department shows a man they're seeking after someone threw a homemade incendiary device into a crowded Pasadena restaurant. Pasadena police and the FBI announced a $20,000 reward Friday, March 24, 2017, for information in the case. (FBI/Pasadena Police Department via AP