Senate confirms Mullin to lead Homeland Security

By Eric Bazail-Eimil | 03/24/2026 06:12 AM EDT

The first-term senator and former MMA fighter now takes on one of the most challenging roles in the second Trump administration.

Sen. Markwayne Mullin at the Capitol on Monday.

Then-Sen. Markwayne Mullin (R-Okla.) arrives for the final Senate vote on his nomination to be secretary of Homeland Security at the Capitol on Monday. Francis Chung/POLITICO

The Senate voted Monday to confirm Sen. Markwayne Mullin of Oklahoma to be the next Homeland Security secretary, thrusting the first-term Republican into the leadership of a department in crisis.

The 54-45 vote mostly fell along party lines. All Republicans except for Sen. Rand Paul of Kentucky voted to confirm their colleague. Democratic Sens. John Fetterman of Pennsylvania and Martin Heinrich of New Mexico voted “yes.”

Paul, who chairs the Senate Homeland Security Committee, sparred with Mullin at his tense confirmation hearing last week over past disparaging comments Mullin made about the Kentucky Republican.

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Mullin also faced questions from Paul and Democrats on the committee about “special missions” he claimed to have taken on behalf of the U.S. government during his service in the House. Mullin resigned from the Senate upon confirmation.

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