National security

File - In this Jan. 31, 2019, file photo, hundreds of people overflow onto the sidewalk in a line snaking around the block outside a U.S. immigration office with numerous courtrooms in San Francisco. Santa Clara and San Francisco have filed suit against the Trump administration over its new controversial "public charge" rule that restricts legal immigration. This lawsuit is the first after the Department of Homeland Security's announcement Monday, Aug. 12, 2019, that it would deny green cards to migrants who use Medicaid, food stamps, housing vouchers or other forms of public assistance. (AP Photo/Eric Risberg, File)

Britain's Prime Minister Boris Johnson takes a drink from a prison mug as he talks with prison staff during a visit to Leeds prison, Northern England, Tuesday Aug. 13, 2019. In an announcement on Sunday Johnson promised more prisons and stronger police powers in an effort to fight violent crime. ( AP Photo/Jon Super)

Handcuffed workers await transportation to a processing center following a raid by U.S. immigration officials at Koch Foods Inc., plant in Morton, Miss. U.S. immigration officials raided several Mississippi food processing plants on Wednesday and signaled that the early-morning strikes were part of a large-scale operation targeting owners as well as employees. (AP Photo/Rogelio V. Solis)

FILE - In this July 25, 2018, file photo, retired Vice Adm. Joseph Maguire and now current director of the National Counterterrorism Center, appears before the Senate Intelligence Committee on Capitol Hill in Washington. President Donald Trump has named Maguire as acting national intelligence director. (AP Photo/J. Scott Applewhite, File)

President Donald Trump talks to reporters aboard Air Force One after visiting Dayton, Ohio and El Paso, Texas, Wednesday, Aug. 7, 2019. (AP Photo/Evan Vucci)

FILE - In this Aug. 3, 2019 file photo, El Paso Fire Medical personnel arrive at the scene of a shooting at a Walmart near the Cielo Vista Mall in El Paso, Texas. The FBI has labeled two of those attacks, at the Texas Walmart and California food festival, as domestic terrorism — acts meant to intimidate or coerce a civilian population and affect government policy. But the bureau hasn't gone that far with a shooting at an Ohio entertainment district. (Mark Lambie/The El Paso Times via AP, File)

FILE - In this March 2, 2017 file photo, Tucker Carlson, host of "Tucker Carlson Tonight," poses for photos in a Fox News Channel studio, in New York. Carlson faced criticism Wednesday, Aug. 7, 2019, for declaring white supremacy "a hoax," the same day President Donald Trump visited El Paso, Texas, after a white gunman who had written an anti-Hispanic rant killed dozens of people. (AP Photo/Richard Drew, File)

Vice President Mike Pence follows President Donald Trump as he walks off after speaking about the mass shootings in El Paso, Texas and Dayton, Ohio, in the Diplomatic Reception Room of the White House, Monday, Aug. 5, 2019, in Washington. (AP Photo/Evan Vucci)

U.S. Attorney for the Western District of Texas John Bash said they would seek the death penalty in the mass shooting at Walmart in El Paso, Texas during a press conference Sunday, Aug. 4, 2019 at the Office of Emergency Management. Patrick Crusius was booked on charges of capital murder. El Paso Mayor Dee Margo is at left. (Mark Lambie/The El Paso Times via AP)