Published: March 6, 2026 | Topic: U.S. Politics, Immigration, Homeland Security
Who Is Kristi Noem?
Kristi Noem is an American Republican politician who served as the 8th U.S. Secretary of Homeland Security from January 2025 to March 2026. Before her cabinet role, she served as the 33rd Governor of South Dakota from 2019 to 2025 — the first woman ever elected to that position.
As DHS Secretary, Noem became the most visible face of the Trump administration's aggressive immigration enforcement agenda, overseeing mass deportation operations, border security crackdowns, and a dramatic expansion of ICE and Border Patrol operations across the country.
Why Was Kristi Noem Fired?
On March 5, 2026, President Donald Trump announced on Truth Social that Noem would be leaving her role as DHS Secretary. While the announcement was framed diplomatically — Trump praised her "spectacular results" on the border — the move came after a cascade of mounting controversies that made her position untenable.
1. Disastrous Congressional Hearings (March 3–4, 2026)
The immediate trigger for Noem's removal was her performance during back-to-back congressional hearings just days before her firing.
The habeas corpus moment: In one of the most widely shared political clips of 2026, Noem was asked by Senator Maggie Hassan (D-NH) to define habeas corpus — a foundational legal concept that gives individuals the right to challenge unlawful detention in court. Noem responded:
"Habeas corpus is a constitutional right that the president has to be able to remove people from this country."
Senator Hassan immediately cut her off: "That's incorrect."
In reality, habeas corpus — one of the oldest legal protections in Western democracy — is the right that protects individuals from being detained without cause. It is not a presidential power. Senator Hassan called it "the foundational right that separates free societies like America from police states like North Korea." Later in the same hearing, Senator Andy Kim (D-NJ) asked Noem which article of the Constitution the habeas corpus clause appears in. Noem replied: "No, I do not, sir."
ICE court order violations: Senator Dick Durbin pressed Noem on the fact that a Republican-appointed federal judge in Minnesota had identified over 200 court orders that ICE agents violated in just two months. In New Jersey, the Trump Justice Department itself acknowledged ICE had violated court orders more than 50 times in recent weeks. Noem struggled to respond meaningfully.
Senate Republican criticism: Even Republican senators turned on her. Senator Thom Tillis (R-NC) used his entire hearing time to deliver what he called a "performance evaluation," saying her tenure had been "a disaster." He vowed to block administration nominees until she addressed concerns. Senator Lisa Murkowski had called for her resignation as far back as January 2026.
2. The Minneapolis Killings Fallout
In January 2026, during "Operation Metro Surge," two American citizens were killed by federal agents enforcing immigration law in Minneapolis:
- Renee Good, a mother
- Alex Pretti, a nurse
Noem publicly referred to both victims as "domestic terrorists" — a characterization that was quickly contradicted by video evidence and witness accounts. She declined to apologize for the remarks, even acknowledging the investigations were ongoing. The backlash was swift, bipartisan, and relentless.
3. Bipartisan Calls for Her Removal
By early 2026, the calls for Noem to go were coming from all sides:
- Democratic House members, led by Rep. Robin Kelly, filed three articles of impeachment against Noem in January 2026, citing obstruction of congressional oversight, misuse of taxpayer funds, and directing warrantless arrests by ICE.
- Republican Senators Tillis and Murkowski had both publicly called for her resignation.
- House Minority Leader Hakeem Jeffries responded to her firing with two words: "Good riddance."
4. Border Czar Rivalry and Loss of Presidential Confidence
Behind the scenes, Trump had grown frustrated with Noem for months. Her internal rival, border czar Tom Homan, was placed in charge of winding down the Minneapolis operation — a visible sign of the president's eroding confidence in her leadership. White House advisers had also begun discussing a "recalibration" of the immigration enforcement approach as public polling showed declining support for the crackdown.
Who Is Replacing Kristi Noem?
Trump announced that Senator Markwayne Mullin (R-OK) will become the new Secretary of Homeland Security, effective March 31, 2026.
Trump described Mullin as "a MAGA Warrior, and former undefeated professional MMA fighter" who has "the Wisdom and Courage required to Advance our America First Agenda." Mullin is a loyal Trump ally, a Native American, and has been a U.S. Senator from Oklahoma since 2023. He will need Senate confirmation to serve permanently, but under federal vacancy law, he can serve as acting secretary while his nomination is pending.
What Happens to Kristi Noem?
Noem is not completely out of the picture. Trump announced she will be reassigned as Special Envoy for "The Shield of the Americas" — described as a new Western Hemisphere security initiative set to be unveiled at Trump's Doral, Florida property.
In a striking moment of political theater, Noem was already speaking at the Major Cities Conference in Nashville when Trump posted his announcement — she took the stage after the news broke that she had been replaced.
Kristi Noem's Record at DHS: Key Moments
| Event | Details |
|---|---|
| Confirmed as DHS Secretary | January 2025 |
| Oversaw mass deportation surge | ICE officer hiring surge; thousands of BP agents deployed nationwide |
| Guantanamo Bay detentions | Migrants held at Guantanamo at a reported cost of $100,000/day vs. $160/day at ICE facilities |
| Minneapolis killings | Two American citizens killed by federal agents in January 2026 |
| Called victims "domestic terrorists" | Refused to apologize despite evidence to the contrary |
| Habeas corpus gaffe | Misdefines foundational constitutional right at Senate hearing, March 2026 |
| ICE court order violations | ICE found to have violated 200+ court orders in Minnesota alone |
| Fired by Trump | March 5, 2026 — first cabinet departure of Trump's second term |
Why Is This Significant?
Kristi Noem is the first cabinet secretary to be removed during Trump's second term. Her departure comes at a sensitive moment: the DHS is currently in a partial government shutdown (Congress has refused to fund the department amid immigration controversies), and the administration's deportation agenda faces ongoing legal battles from immigration courts all the way to the Supreme Court.
Federal judges have blocked DHS from using wartime powers to expedite deportations and ordered some deportees returned. The administration's use of the Alien Enemies Act has been challenged in federal courts, with multiple judges — including Supreme Court justices — ruling that detainees are entitled to due process.
Her exit, according to Axios, "leaves Trump's mass deportation agenda without its most prominent face amid a public backlash."
What Does This Mean for U.S. Immigration Policy?
The transition to Mullin signals that Trump wants a more politically effective and loyal operator at DHS — someone who can defend the administration's immigration agenda on camera and in Congress without the kind of embarrassing moments that defined Noem's final weeks. Whether the policy itself will change remains to be seen, but the optics and the messaging clearly will.
Frequently Asked Questions (FAQ)
Why was Kristi Noem fired?
Noem was fired following poor performances in congressional hearings in March 2026, including publicly misdefining habeas corpus, bipartisan criticism of her response to the killing of two American citizens by ICE agents in Minneapolis, and months of eroding trust with President Trump.
Who replaced Kristi Noem as DHS Secretary?
Senator Markwayne Mullin (R-OK), effective March 31, 2026.
What is Kristi Noem doing now?
She has been appointed Special Envoy for "The Shield of the Americas," a new Western Hemisphere security initiative announced by the Trump administration.
Was Kristi Noem impeached?
No. While Democratic lawmakers filed articles of impeachment in January 2026, the process did not advance before her removal.
What is habeas corpus?
Habeas corpus is a foundational legal right — dating back over 900 years — that protects individuals from unlawful detention. It allows anyone imprisoned to go before a court and demand that the government justify their detention. It is not, as Noem stated, a presidential power to deport people.
Sources: NBC News, NPR, CBS News, Axios, Washington Post, Law & Crime, American Immigration Council
