President Donald Trump has named Republican Senator Markwayne Mullin of Oklahoma as the incoming Secretary of the Department of Homeland Security (DHS), slated to assume the role on March 31. The announcement, released through Trump's Truth Social platform, arrives with the departure of Secretary Kristi Noem, who is transitioning to the position of Special Envoy for The Shield of the Americas initiative.
The President commended Noem for her service and results, notably "especially on the Border," while expressing confidence in Mullin's capabilities. Noem's tenure at DHS recently faced scrutiny during Congressional oversight hearings that questioned her leadership following two fatal shootings in Minnesota associated with DHS' Operation Metro Surge and reports of an affair with senior adviser Corey Lewandowski.
Reactions within DHS and Immigration and Customs Enforcement (ICE) to Noem's reallocation have been reportedly positive, with sources describing a palpable sense of relief and optimism for a refocused department. According to an insider, Trump contemplated the change for several days, but Noem's Senate testimony provided an opportune moment to enact the shift. Lewandowski is also anticipated to depart, with expectations that Mullin will not retain him.
The President's announcement included details about The Shield of the Americas, a new security project for the Western Hemisphere, set to be unveiled in Doral, Florida. Noem, in a statement on X, expressed eagerness to work with Secretary of State Marco Rubio and Secretary of War Pete Hegseth in her new role. She highlighted her achievements as DHS Secretary, including what she termed the most secure border in U.S. history and the removal of 3 million undocumented immigrants.
Senior White House Correspondent Jacqui Heinrich reported that Lewandowski would likely exit the department alongside Noem, with an anonymous source confirming this expectation.
Mullin's nomination opens his Senate seat, empowering Oklahoma Governor Kevin Stitt to appoint a successor. Stitt expressed his endorsement for Mullin, praising his commitment to national security and his record on immigration enforcement. The governor's support underscores Mullin's reputation as a steadfast advocate for Oklahoma and his expected approach to his new role at DHS.