Jonathan Turley says it is “unclear what evidence” supports Mullin’s claim about Omar

Jonathan TurleyLaw professor at George Washington University and legal commentator, writing on X

Challenged the characterization

In an X thread, law professor Jonathan Turley wrote that there was “a surprising development regarding long-standing but unproven allegations” against Rep. Ilhan Omar. He wrote that “it is unclear what evidence Mullen gathered to allegedly establish this fact” and that “there is still no indication of a referral to the Justice Department in the case,” while noting that “there would be more than the mere possibility of illegal activity if someone married her brother and falsely filled out marriage or immigration papers.” Turley spells the Secretary’s name “Mullen.”

“There would be more than the mere possibility of illegal activity if someone married her brother and falsely filled out marriage or immigration papers. It is unclear what evidence Mullen gathered to allegedly establish this fact.” … “Again, it is not clear what, if any, new evidence is being referenced by Mullen. However, we have not previously had an official, let alone a cabinet member, make this claim and refer to expected actions. There is still no indication of a referral to the Justice Department in the case so we have to wait to see if Mullen’s statement signals an actual major change in the investigation.”

Original post

Read the original post (opens in a new tab)Jonathan Turley’s X thread on Mullin’s claim about Rep. Ilhan Omar (first post) · Jonathan TurleyPost text.

Original post

Read the original post (opens in a new tab)Jonathan Turley’s X thread on Mullin’s claim about Rep. Ilhan Omar (second post) · Jonathan TurleyPost text.

Original post

Read the original post (opens in a new tab)Jonathan Turley’s X thread on Mullin’s claim about Rep. Ilhan Omar (later post) · Jonathan TurleyPost text.

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Ilhan Omar speaking into a microphone at a 2018 VoteRunLead event.
Credit: Zoe Griffing Heller

Where this statement fits

Should Trump administration officials publicly accuse Rep. Ilhan Omar of immigration fraud?

Since at least 2016 there have been unproven claims that Rep. Ilhan Omar’s 2009 husband, Ahmed Nur Said Elmi, is her brother. Senior Trump administration officials have repeated the claim publicly. This record begins with Vice President JD Vance’s March 27, 2026 statement that “we actually think that Ilhan Omar definitely committed immigration fraud,” and includes President Donald Trump’s May 1 statement, “I believe she married her brother.” On September 10, Homeland Security Secretary Markwayne Mullin said in a podcast interview, “we know that she married her brother to try to bring him in the United States,” and that an investigation was ongoing. On September 13, border czar Tom Homan declined to give specifics of an “ongoing criminal investigation” but said “no one’s above the law.” Omar has denied the claim: on September 16 she told a reporter “Absolutely not” and that she is not under investigation, and on September 18 Fox News Digital reported her saying DHS had not contacted her. Fox reported that there has been no public evidence available to confirm an open investigation into her.

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Source and context

Original post

Jonathan Turley’s X thread on Mullin’s claim about Rep. Ilhan Omar (first post) (opens in a new tab) · Jonathan TurleyPost text.

About this source

The first post of a thread by law professor Jonathan Turley, published at 5:12 p.m. EDT on September 12, 2026. Turley spells the Secretary’s name “Mullen” throughout.

Original post

Jonathan Turley’s X thread on Mullin’s claim about Rep. Ilhan Omar (second post) (opens in a new tab) · Jonathan TurleyPost text.

About this source

The second post of Turley’s thread, published at 5:15 p.m. EDT on September 12, 2026.

Original post

Jonathan Turley’s X thread on Mullin’s claim about Rep. Ilhan Omar (later post) (opens in a new tab) · Jonathan TurleyPost text.

About this source

A later post in Turley’s thread, published at 8:32 p.m. EDT on September 12, 2026.

Before the quotation

Turley’s thread begins by quoting Mullin as saying “We know that she married her brother to try to bring him into the United States.”

After the quotation

A later post in the thread, quoted above, adds that “we have not previously had an official, let alone a cabinet member, make this claim and refer to expected actions.”

How this statement is classified

Challenged the characterization

The label describes this statement's response within the context above.

Why this label?

Turley neither endorses nor condemns the accusation. He calls the allegations “unproven” and says it is “unclear what evidence” supports Mullin’s statement, while noting that the alleged conduct, if it occurred, would go beyond a “mere possibility of illegal activity.” That challenges the presentation of the claim as known fact. The closest competing label is “Mixed or conditional”, because he says the alleged conduct would be significant if it occurred; it loses because he takes no position on whether the accusation or the investigation should be pursued.

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Markwayne Mullin

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Trump says Omar "has openly admitted to FRAUD" and must resign

Donald Trump

“Therefore, because she used a fake name to be sworn in, I assume she must IMMEDIATELY resign from Congress. Please inform the Speaker of the House of Representatives, James Michael Johnson, that the Dumocrat Party has just conceded her seat. Ilhan Nur Said Elmi, her real name, has openly admitted to FRAUD, and she will not be legally allowed to be a Member of this August Body from this point forth.”
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Jonathan Turley says it is “unclear what evidence” supports Mullin’s claim about Omar
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The Dispute Index. "Jonathan Turley says it is “unclear what evidence” supports Mullin’s claim about Omar". First published: 2026-09-20. Last updated: 2026-09-22. https://disputeindex.com/events/1259-in-an-x-thread-law-professor-jonathan-turley