The U.S. Senate confirmed Markwayne Mullin as homeland security secretary late Monday, approving President Donald Trump's nominee to take over the embattled department after the firing of Kristi Noem during a public backlash over the administration's immigration enforcement and mass deportation operations. And he tangled with the Republican chairman of the homeland security committee, who questioned Mullin's character and temperament during last week's combative confirmation hearing. | About That | Duration 2:50 Andrew Chang explains what led up to U.S. President Donald Trump's firing of Kristi Noem, the secretary of Homeland Security. Mullin and Donald Trump attended the NCAA Wrestling Championships together, in Tulsa, Okla., on March 18, 2023. Mullin was a strong supporter of Trump's immigration agenda and ICE officers before being tapped for the DHS job.

Source: CBC News March 24, 2026 06:24 UTC