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James Comey, director of the Federal Bureau of Investigation (FBI), speaks during a Senate Homeland Security and Governmental Affairs Committee hearing in Washington, D.C., on Tuesday, Sept. 27, 2016. The Department of Homeland Security predicts about 408,000 people will have been caught trying to enter U.S. illegally through southern border during FY16, DHS Secretary Jeh Johnson said. Photographer: Zach Gibson/Bloomberg via Getty Images

James Comey, director of the Federal Bureau of Investigation (FBI), speaks during a Senate Homeland Security and Governmental Affairs Committee hearing in Washington, D.C., on Tuesday, Sept. 27, 2016. The Department of Homeland Security predicts about 408,000 people will have been caught trying to enter U.S. illegally through southern border during FY16, DHS Secretary Jeh Johnson said. Photographer: Zach Gibson/Bloomberg via Getty Images