Sen. Markwayne Mullin (R-Okla.) speaks to members of the media on Capitol Hill in Washington on March 3, 2026. Photo by Madalina Kilroy.

URGENT UPDATE: President Donald Trump announced today that Senator Markwayne Mullin (R-Okla.) will take over as the new head of the Department of Homeland Security (DHS), following the abrupt firing of outgoing Secretary Kristi Noem. This significant change comes as Trump seeks to bolster security measures at the U.S.-Mexico border amid rising concerns over immigration enforcement.

In a post on Truth Social just moments ago, Trump expressed his confidence in Mullin, stating, “I am pleased to announce the highly respected United States senator from Oklahoma, Markwayne Mullin, will become the United States Secretary of Homeland Security.” Mullin is set to officially assume his new role on March 31, 2025.

Mullin, 48, voiced his surprise at the appointment during a live interview with ABC News, declaring, “I wasn’t expecting the call today… My focus is to keep the homeland secure.” He emphasized his commitment to tackling “migrant crime, murderers, and other criminals” entering the U.S., aligning closely with Trump’s hardline stance on immigration.

The transition comes as Noem, the former governor of South Dakota, departs to serve as the special envoy for the shield of the Americas. Trump commended her for achieving “numerous and spectacular results” during her time at DHS, particularly concerning border security.

As Mullin prepares to lead one of the most scrutinized departments in the U.S. government, he faces significant challenges. Recent polls indicate a growing discontent among Americans regarding DHS’s immigration enforcement, with a record 50% of voters now supporting the abolition of Immigration and Customs Enforcement (ICE). This represents a marked increase from just 46% earlier this year.

The incoming DHS chief has a complex political history, including a controversial role during the January 6 Capitol riots, where he participated in barricading the House chamber. He has since emerged as a vocal supporter of Trump’s agenda, including efforts to remove Trump’s impeachments from Congressional records.

Mullin’s appointment comes at a critical juncture for DHS, which is currently facing a partial shutdown due to disagreements over funding and operational mandates. The agency’s reputation has been further marred by recent incidents involving immigration enforcement in Minneapolis, leading to tragic outcomes.

With the Senate confirmation process underway, Mullin will engage with Senate Minority Leader Chuck Schumer and other lawmakers to secure his position. He will only require a simple majority for confirmation, and indications show bipartisan support may be possible, with at least one Democrat, Senator John Fetterman (D-Pa.), expressing backing.

As Mullin prepares to step into this pivotal role, the nation watches closely to see how he will navigate the complexities of DHS and its controversial policies. The implications of this leadership change could resonate throughout the U.S., impacting immigration policy and national security.

Stay tuned for more updates as this story develops.