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(NEW YORK) — Immigration and Customs Enforcement agents arrested Palestinian activist Mahmoud Khalil — a leader in Columbia University’s encampment movement — on Saturday night, claiming that his student visa had been revoked, according to attorney Amy Greer in a statement to ABC News.
However, Khalil is in the United States on a green card and not on a student visa, Greer said Sunday.
Despite informing agents about his legal status, ICE detained him, she said. At one point during a phone call with agents, they hung up on Greer, a representative of her law firm told ABC News.
President Donald Trump claimed Khalil was a “Radical Foreign Pro-Hamas Student” and said this is the “first arrest of many to come” in a post on his Truth Social platform on Monday.
“We will find, apprehend, and deport these terrorist sympathizers from our country — never to return again,” he added.
Department of Homeland Security spokesperson Tricia McLaughlin addressed Khalil’s arrest on Sunday night, saying, “On March 9, 2025, in support of President Trump’s executive orders prohibiting anti-Semitism, and in coordination with the Department of State, U.S. Immigration and Customs Enforcement arrested Mahmoud Khalil, a former Columbia University graduate student. Khalil led activities aligned to Hamas, a designated terrorist organization.”
“ICE and the Department of State are committed to enforcing President Trump’s executive orders and to protecting U.S. national security,” she added.
Secretary of State Marco Rubio also shared an article about Khalil on Sunday night and posted on X, “We will be revoking the visas and/or green cards of Hamas supporters in America so they can be deported.”
Greer is challenging Khalil’s arrest but has been unable to locate where he is being held, she said.
“Overnight we filed a habeas corpus petition on Mahmoud’s behalf challenging the validity of his arrest and detention,” she said. “Currently we do not know Mahmoud’s precise whereabouts.”
Khalil’s wife, who is eight months pregnant and a U.S. citizen, was unable to find him at an ICE facility in Elizabeth, New Jersey, where he was purportedly transferred, Greer said — adding that he might have been transferred to Louisiana.
“ICE’s arrest and detention of Mahmoud follows the U.S. government’s open repression of student activism and political speech, specifically targeting students at Columbia University for criticism of Israel’s assault on Gaza,” she said. “The U.S. government has made clear that they will use immigration enforcement as a tool to suppress that speech.”
The arrest occurred just days after Trump took to social media threatening to defund universities that allowed “illegal protests” and claiming “agitators” will be sent back to their home countries.
“All Federal Funding will STOP for any College, School, or University that allows illegal protests. Agitators will be imprisoned/or permanently sent back to the country from which they came. American students will be permanently expelled or, depending on on [sic] the crime, arrested. NO MASKS! Thank you for your attention to this matter,” Trump posted on Truth Social on March 4.
Columbia released the following statement on Sunday: “There have been reports of ICE around campus. Columbia has and will continue to follow the law. Consistent with our longstanding practice and the practice of cities and institutions throughout the country, law enforcement must have a judicial warrant to enter non-public University areas, including University buildings.”
“Columbia is committed to complying with all legal obligations and supporting our student body and campus community,” the statement continued.
The Council on American-Islamic Relations, the nation’s largest Muslim civil rights and advocacy group, called for Khalil’s release.
“The Department of Homeland Security’s lawless decision to arrest him solely because of his peaceful anti-genocide activism represents a blatant attack on the First Amendment’s guarantee of free speech, immigration laws, and the very humanity of Palestinians,” the group said in a statement on Monday. “We and other civil rights groups are in communication with Mahmoud’s legal counsel. This fight is just starting.”
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