What Markwayne Mullin is facing at DHSMarkwayne Mullin was sworn in as Donald Trump’s next Department of Homeland Security secretary, elevating the US senator to helm the agency at the center of the president’s controversial immigration enforcement effort and an ongoing shutdown. CNN's Priscilla Alvarez analyzes what's waiting for Mullin as he takes over a department in turmoil.

Source: CNN March 25, 2026 08:32 UTC