see more

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

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