Fact Check: Did Rudy Giuliani announce Mamdani is under probe for ties to extremist groups?

The claim surfaced as Zohran Mamdani faces growing calls from some families of 9/11 victims to bar him from the 25th anniversary commemoration
A viral post claims former New York City Mayor Rudy Giuliani announced that current Mayor Zohran Mamdani is under investigation for alleged ties to extremist groups and foreign governments (Getty Images)
A viral post claims former New York City Mayor Rudy Giuliani announced that current Mayor Zohran Mamdani is under investigation for alleged ties to extremist groups and foreign governments (Getty Images)

NEW YORK CITY, NEW YORK: A claim has been circulating on social media platforms claiming that former New York City Mayor Rudy Giuliani has announced that current New York City Mayor Zohran Mamdani is under investigation for his ties to extremist groups and foreign governments. The claim has sparked questions and speculation, requiring a fact-check.

Claim: Zohran Mamdani under probe for ties to extremist groups and foreign governments 

(@itsrosesm/X)
The claim has spread across various online spaces such as X, Facebook, and Instagram (@itsrosesm/X)

According to the viral claim, Giuliani has announced that Mamdani is officially under investigation for his ties to extremist groups and foreign governments. 

The claim has spread across various online spaces such as X (formerly Twitter), Facebook, and Instagram since earlier this month, garnering hundreds of thousands of views.

The claim has triggered a debate among online users, with many appearing to believe the claim to be true and calling for the denaturalization and deportation of him and his wife. Meanwhile, others dismissed it as fake and called for a fact check to verify its authenticity.

Fact Check: Rudy Giuliani made no such announcement 

NEW YORK, NEW YORK - NOVEMBER 7: Former New York mayor Rudy Giuliani leaves the New York Federal Courthouse on November 7, 2024 in New York City. Giuliani appeared in a New York City courtroom after missing the deadline to turn over assets as part of $148m defamation judgement. (Photo by Alex Kent/Getty Images)
Former New York mayor Rudy Giuliani leaves the New York Federal Courthouse on November 7, 2024, in New York City (Alex Kent/Getty Images)

The claim, however, is false, as there are no recent investigations against the Social Democrat. 

There are also no reports of the former Republican mayor making such an announcement, as there are no official statements, press releases, or social media posts by Giuliani available to the public. 

A search on Google for the claim yielded no relevant results by credible news media outlets, which, if true, would have made headlines, sparking nationwide outrage.

A fact check by Grok stated, “The claim shared in the post is misleading. There is no confirmed announcement by Rudy Giuliani that NYC Mayor Zohran Mamdani is officially under investigation for ties to extremist groups and foreign governments.”

Some families of 9/11 victims seek to ban Zohran Mamdani from 25th anniversary commemoration

New York City Mayor Zohran Mamdani speaks at an announcement event of a city-wide, discounted grocery plan for city-run municipal grocery stores, in the Brooklyn borough of New York, Monday, July 27, 2026. (AP Photo/Ryan Murphy)
New York City Mayor Zohran Mamdani speaks at an announcement event of a city-wide, discounted grocery plan for city-run municipal grocery stores, in the Brooklyn borough of New York on Monday, July 27, 2026 (AP Photo/Ryan Murphy)

The claim surfaced as Mamdani is facing a growing campaign from some families of 9/11 victims, who are seeking to bar him from the city's 25th anniversary commemoration ceremonies next month.

When a reporter asked the mayor about the campaign, he said, “I wonder how you feel about the fact that they’re trying to keep you away.” 

"I will proudly honor the families, the survivors, the first responders, forever impacted by that horrific attack by standing alongside them at this year's 9/11 commemoration, reaffirming that we will never forget the solemn day felt by all of us who call this city home and, frankly, by all of us who call this country home," he said.

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