Trump said on social media he will appoint Oklahoma Sen. Markwayne Mullin to lead DHS, two days after Noem faced a grilling on Capitol Hill from GOP members as well as Democrats.

Oklahoma Republican Sen. Markwayne Mullin says he has no idea how quickly his nomination to replace Kristi Noem at the Department of Homeland Security will move

Noem's firing comes after a controversial tenure at DHS with nationwide protests, a partial government shutdown and a divisive ad campaign.

President Donald Trump on Thursday announced he was ousting Department of Homeland Security Secretary Kristi Noem, and that GOP Sen. Markwayne Mullin of Oklahoma would replace her.

U.S. Secretary of Homeland Security Kristi Noem looks on during a press conference to discuss ongoing immigration enforcement efforts in Chicago and its suburbs on October 30, 2025, in Gary, Indiana.

In still another scandal, Noem has faced allegations of having an inappropriate personal relationship with Lewandowski, who made headlines last month for entering the cockpit of a

President Trump just ousted homeland security secretary Kristi Noem, announcing plans to replace her with Senator Markwayne Mullin, a former businessman

Her ouster comes after two contentious days of her testimony before Congress. Trump says Oklahoma Sen. Markwayne Mullin will take her place.