WASHINGTON, DC - MARCH 24: U.S. Secretary of the Department of Homeland Security Markwayne Mullin and his wife Christie Mullin attend his swearing-in ceremony in the Oval Office at the White House on March 24, 2026 in Washington, DC. Mullin takes the helm of DHS during a challenging time as it has been partially shut down since February 14 while lawmakers negotiate reforms for Immigration and Customs Enforcement. (Photo by Chip Somodevilla/Getty Images)