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● InformationalImmigration

Why did Trump fire Kristi Noem from Homeland Security? And who is Markwayne Mullin, his replacement pick?

The article examines reported controversies and White House frustrations surrounding Noem’s tenure at Homeland Security.

Why did Trump fire Kristi Noem from Homeland Security? And who is Markwayne Mullin, his replacement pick?
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This article1 analysis · Oct 9, 2026
AOL.com
Mar 5, 2026
tl;dr

President Trump said he is removing Homeland Security Secretary Kristi Noem and plans to replace her with Oklahoma Sen. Markwayne Mullin. The article examines reported tensions behind Noem’s departure and Mullin’s background as the Senate may consider confirming him.

Community verdict

VOTING CLOSED
How does this story look for
Kristi Noem Former U.S. Representative (R-SD)
NOT RATEDCLOSED

No good or bad look here

This story reports what happened without casting Noem in a good or bad light, so readers don’t rate it and it doesn’t count toward Noem’s record.

● INFORMATIONAL

People in this story

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Kristi Noem
Former U.S. Representative (R-SD)

Homeland Security secretary being removed from office

PRIMARY SUBJECT
Donald Trump
R · President of the United States

President who removed Noem and selected Mullin as her replacement

Trump's version of this story ↗
Markwayne Mullin
Secretary of Homeland Security

Senator selected by Trump to replace Noem as Homeland Security secretary

Mullin's version of this story ↗
J.D. Vance
Vice President of the United States

Vice president whom Trump chose as his running mate instead of Noem

ALSO MENTIONED  Corey Lewandowski, DHS special adviser named in an allegation about Noem; Sean O'Brien, Teamsters president whom Mullin challenged to a fight during a congressional hearing; Tom Homan, Trump’s border czar, who took over the Minneapolis operation

Part of a bigger story

27 OUTLETS
Trump Announces Noem's Departure, Picks Mullin for Homeland Security

Outlets on the left, center and right report that President Donald Trump removed Kristi Noem as Homeland Security secretary and selected Sen. Markwayne Mullin as her intended successor. Left-leaning outlets emphasize criticism of Noem’s tenure and, in one account, argue her reassignment falls short of accountability. Center outlets pair the personnel change with scrutiny of spending, immigration enforcement and management, mostly in reportorial terms. Right-leaning outlets also link the firing to enforcement and spending scrutiny, while one article focuses on speculation about Noem’s possible Senate primary challenge.

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