(FILES) US Senator Markwayne Mullin (R-OK), nominee to be Secretary of Homeland Security, is sworn in during a Senate Committee on Homeland Security and Governmental Affairs confirmation hearing on Capitol Hill in Washington, DC, on March 18, 2026. The US Senate on March 23 confirmed Markwayne Mullin as the new chief of the Department of Homeland Security (DHS), the agency reeling from a partial government shutdown as it works to enforce President Donald Trump's immigration crackdown. (Photo by Oliver Contreras / AFP via Getty Images)

(FILES) US Senator Markwayne Mullin (R-OK), nominee to be Secretary of Homeland Security, testifies during a Senate Committee on Homeland Security and Governmental Affairs confirmation hearing on Capitol Hill in Washington, DC, on March 18, 2026. The US Senate on March 23 confirmed Markwayne Mullin as the new chief of the Department of Homeland Security (DHS), the agency reeling from a partial government shutdown as it works to enforce President Donald Trump's immigration crackdown. (Photo by Oliver Contreras / AFP via Getty Images)

JOINT BASE ANDREWS, MARYLAND - MARCH 23: U.S. President Donald Trump disembarks from Air Force One on March 23, 2026 in Joint Base Andrews, Maryland. President Trump arrived from Memphis, Tennessee after participating in a roundtable discussion regarding the Memphis Safe Task Force (MSTF) in combating violent crime.(Photo by Roberto Schmidt/Getty Images)

JOINT BASE ANDREWS, MARYLAND - MARCH 23: U.S. President Donald Trump waves after disembarking from Air Force One on March 23, 2026 in Joint Base Andrews, Maryland. President Trump arrived from Memphis, Tennessee after participating in a roundtable discussion regarding the Memphis Safe Task Force (MSTF) in combating violent crime.(Photo by Roberto Schmidt/Getty Images)

JOINT BASE ANDREWS, MARYLAND - MARCH 23: U.S. President Donald Trump disembarks from Air Force One on March 23, 2026 in Joint Base Andrews, Maryland. President Trump arrived from Memphis, Tennessee after participating in a roundtable discussion regarding the Memphis Safe Task Force (MSTF) in combating violent crime.(Photo by Roberto Schmidt/Getty Images)

JOINT BASE ANDREWS, MARYLAND - MARCH 23: U.S. President Donald Trump disembarks from Air Force One on March 23, 2026 in Joint Base Andrews, Maryland. President Trump arrived from Memphis, Tennessee after participating in a roundtable discussion regarding the Memphis Safe Task Force (MSTF) in combating violent crime.(Photo by Roberto Schmidt/Getty Images)

WASHINGTON, DC - MARCH 23: U.S. President Donald Trump walks across the South Lawn after returning to the White House on March 23, 2026 in Washington, DC. Trump visited Tennessee on Monday, including a stop at Elvis Presley's Graceland mansion. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - MARCH 23: U.S. President Donald Trump walks across the South Lawn after returning to the White House on March 23, 2026 in Washington, DC. Trump visited Tennessee on Monday, including a stop at Elvis Presley's Graceland mansion. (Photo by Chip Somodevilla/Getty Images)