The federal investigation into Rep. Ilhan Omar of Minnesota is not being presented as a narrow inquiry focused on one politician. DHS Secretary Markwayne Mullin said Friday that the case is much larger and has been presented to the DOJ.

“This isn't just a case that's targeting one individual,” Mullin explained. “This is a large case that we have presented to the DOJ, and the DOJ is leading the investigations.”

Mullin delivered the update during an interview with Fox News. His comments indicated that DOJ officials are now leading the investigation after receiving material developed by Homeland Security Investigations agents.

Those agents searched Omar’s Washington, D.C., home on October 12 and removed boxes of material, according to the account. Mullin credited them with doing “a lot of investigation to be able to present the case to them.”

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The probe reaches back to 2009, when Omar, who was born in Somalia, married Ahmed Elmi. Investigators want to determine whether that marriage was connected to an immigration fraud conspiracy and whether Omar lied on government paperwork to become a citizen.

Elmi is a British citizen who describes himself as gay. The account says evidence points to Elmi being Omar’s brother and alleges that the marriage allowed him to remain in the United States legally.

Investigators are also examining Omar’s House financial disclosures. Those disclosures may have inflated her reported net worth by tens of millions of dollars, adding another major element to a case Mullin says extends beyond one individual.

The New York Post reported Friday that Omar’s certified 2009 marriage license from Hennepin County, Minnesota, contained notable changes to her name. Her surname was crossed out, replaced with “Elmi,” and then changed back to “Omar.”

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Other questions involve Omar’s reported birth year. She reportedly had her staff change that year from 1981 to 1982 so she could appear to have gained naturalization as a minor through her father in 2000.

The allegations did not suddenly emerge from nowhere. The FBI and DHS examined the claims involving the marriage and Omar’s alleged brother in 2016, when she was campaigning for the Minnesota legislature.

With the investigation active again, critics have accused federal authorities of improperly targeting Omar. Former President Barack Obama publicly criticized the probe, although the original federal examination began while he was still serving in the White House.

Mullin responded by insisting that the government is applying federal law without regard to political status. “I've made this very, very, very, very clear: we're enforcing our nation's laws across the board equally, and we're going to continue to do that,” he said.

He also argued that a person’s political registration, office or title does not provide protection from an investigation. “I don't care where you're seated, and I don't care how you're registered to vote, I don't care what your job title is,” he continued. “We use it equally.”

Mullin then turned the weaponization accusation back on Democrats. He argued that Democrats “came after their political enemies like President Trump, and they know they weaponized our DOJ and FBI.”

"We're not intimidating. We're enforcing laws."

DHS Secretary Markwayne Mullin fires back at former President Barack Obama over his criticism of the federal investigation involving Democratic Rep. Ilhan Omar, accusing him and Democrats of playing political games. "For him to get out in front of a case that he doesn't even know the facts behind is shameful." @AmericaRpts — Fox News (@FoxNews) October 30, 2026

Earlier in the interview, Mullin rejected the claim that the Omar investigation was political theater. “We're enforcing our nation's laws, and we're going to do that. We're not weaponizing. We're not using political theater on this,” he said.

Mullin maintained that investigators would allow the evidence to determine where the case goes. His comments, combined with the search of Omar’s home, the material presented to the DOJ and the renewed scrutiny of her marriage and financial disclosures, portray an inquiry considerably broader than a single allegation.

The case now encompasses questions about the 2009 marriage, Omar’s citizenship paperwork, changes appearing on the marriage license, her reported birth year and her House financial disclosures. Whether those questions produce charges remains unstated, but Mullin’s description makes clear that federal officials are treating the matter as a large investigation.

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