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
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
Original post
Original post

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.
Source and context
Original post
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
About this source
The second post of Turley’s thread, published at 5:15 p.m. EDT on September 12, 2026.
Original post
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
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.
- Recorded on
- Published here
- People and groups discussed
- Markwayne Mullin
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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