The Justice Department’s Board of Immigration Appeals rejected Columbia University anti-Israel protest leader Mahmoud Khalil’s attempt to dismiss his deportation case on Thursday, his lawyers said. 

Khalil called the ruling, which was widely expected and brings him closer to re-arrest and possible deportation, “biased and politically motivated.” 

“The only thing I am guilty of is speaking out against the genocide in Palestine — and this administration has weaponized the immigration system to punish me for it,” Khalil said in a statement. The ruling has not yet been publicized by the DOJ. 

Khalil was a key organizer of Columbia University’s anti-Israel encampment in April 2024, a two-week demonstration in the center of campus during Israel’s war in Gaza. The demonstration included several incidents of assault on Jewish students. Protesters used threatening and antisemitic slogans, including, “Go back to Poland”; signs with the Hamas symbol and the words “I’m with them”; and chants calling for Hamas attacks on Tel Aviv. 

Khalil later described the Oct. 7 attacks as “a desperate attempt to tell the world that Palestinians are here. That was my interpretation of why Hamas did the Oct. 7 attacks on Israel,” he said in a New York Times interview. 

Last month, while speaking at the annual South by Southwest festival in Austin, Texas, Khalil argued that “claims of antisemitism are being weaponized to silence any critique of the U.S. support to Israel.”  

A former Columbia graduate student who grew up in Syria but is of Palestinian descent, Khalil was released in June from the Immigration and Customs Enforcement detention center in Louisiana, where he had been held for three months pending deportation proceedings. Judge Michael Farbiarz ruled that his prolonged detention likely violated his constitutional rights. 

A federal appeals court then ruled in January that Khalil could be rearrested. In a 2-1 ruling, a panel from the U.S. Court of Appeals for the Third Circuit decided that the federal district court in New Jersey that issued Khalil’s release did not have jurisdiction over the matter and that it should have been handled in immigration court, which is part of the executive branch overseen by the Justice Department, meaning Khalil is now liable to be rearrested.

State Department officials who were tasked with deporting foreign students accused of antisemitism and threatening American national security warned that the efforts may present free speech concerns, according to government documents that a federal judge released last week. 

The several hundred pages of previously sealed federal documents are connected to the ongoing deportation cases against Mahmoud Khalil, Rümeysa Öztürk, Mohsen Mahdawi, Yunseo Chung and Badar Khan Suri, each of whom U.S. immigration authorities targeted because of their involvement in anti-Israel activity at American universities. 

The Trump administration has said in public statements that the students were ordered to be deported because of their involvement in antisemitic and pro-Hamas activities, but little evidence was shared publicly at the time to back up the allegations. 

The students have challenged the deportations with mixed results. Khalil — a protest leader at Columbia’s anti-Israel encampment in 2024 — was the first to be arrested, in March 2025. His detention, as a green card holder, became a cause célèbre on the left among activists who argued that President Donald Trump had overstepped his authority. Khalil was released from detention in June, but a federal appeals court last week paved the way for his deportation, potentially to Algeria. 

In a series of memos last year sent to Secretary of State Marco Rubio from John Armstrong, a senior State Department official who oversees visas, Armstrong made clear that Rubio would have to directly approve the students’ deportations, noting that they are likely to draw intense scrutiny, particularly after Khalil’s legal challenge against his own deportation. For cases where the reason to deport somebody is based on their “past, current or expected beliefs, statements or associations that are otherwise lawful,” the secretary of state must “personally” make a determination that their actions “would compromise a compelling U.S. foreign policy interest,” a March 8, 2025, memo to Rubio said. 

One case concerned the visa status of Öztürk, a Turkish student at Tufts University who was ordered to be deported last March and was arrested by federal agents on her way to a Ramadan event. A senior Department of Homeland Security official told Jewish Insider last year that federal investigators “found Öztürk engaged in activities in support of Hamas, a foreign terrorist organization that relishes the killing of Americans.” The only public evidence at the time connecting her to the anti-Israel protest movement was a 2024 op-ed in Tufts’ student newspaper that she penned with three other students calling for the university to divest from Israel. 

One of the State Department memos unsealed last week revealed that this op-ed was the sole basis for the effort to deport her — and that department officials recognized it might face legal challenges. 

The op-ed divulged that Öztürk was a member of Tufts Graduate Students for Palestine, which the immigration investigators noted was suspended by the university. Öztürk’s involvement with the group “may undermine U.S. foreign policy by creating a hostile environment for Jewish students and indicating support for a designated terrorist organization,” investigators concluded. The memo revoking her visa declared that she co-authored an op-ed “that found common cause with an organization that was later temporarily banned from campus.” 

But in assessing the strength of DHS and Immigration and Customs Enforcement investigators’ conclusions, Armstrong noted one potential weakness: “While Öztürk has been involved with actions protesting Tufts’ relationship with Israel,” he wrote, the investigators have not “provided any evidence showing that Öztürk has engaged in any antisemitic activity or made any public statements indicating support for a terrorist organization or antisemitism generally.” Nor did they prove that she was involved in the activities that led to the pro-Palestine group being suspended by Tufts. 

For Khalil and Mahdawi, the case to deport rested on their leadership roles in anti-Israel protests at Columbia. Khalil “created a hostile environment for Jewish students,” officials wrote, as an encampment leader and “a key figure in the March 6 Barnard College library occupation, where protestors distributed Hamas-authored flyers.” 

Mahdawi, “through his leadership and involvement in disruptive protests at Columbia University, has engaged in anti-Semitic conduct through leading pro-Palestinian protests and calling for Israel’s destruction,” authorities concluded. “The activities and presence of Mahdawi in the United States undermines U.S. policy to combat anti-Semitism around the world and in the United States, in addition to efforts to protect Jewish students from harassment and violence in the United States.” 

The only person who was directly linked to supporting Hamas was Suri, a Georgetown researcher whose wife is the daughter of a former Hamas official. 

“The type of intimidation and incitement attributable to Suri potentially undermines the peace process underway in the Middle East by reinforcing anti-Semitic sentiment in the regional [sic] and thereby threatening the U.S. foreign policy goal of peacefully resolving the Gaza conflict,” officials wrote. But they also noted the challenges the case might face on freedom of expression grounds.

“Given the reliance on Suri’s public statements as an academic, and the potential that a court may consider his actions inextricably tied to speech protected under the First Amendment, it is likely that courts will closely scrutinize the basis for this determination,” one memo reads. 

These immigration cases, early in the first year of Trump’s second term, were heavily scrutinized. Even though fighting antisemitism was a stated reason for the Trump administration’s decision to remove the students, some Jewish leaders were concerned about the heavy-handed tactics and limited information shared about their arrests. 

None of the five students is still in detention, and they are each challenging their deportation orders.

Former Columbia University graduate student Mahmoud Khalil, a leader of the school’s anti-Israel protest movement, will likely be rearrested and deported to the North African country of Algeria, a top Department of Homeland Security official said Wednesday.

Khalil was released in June from the Immigration and Customs Enforcement detention center in Louisiana, where he had been held for three months. Last week, a federal appeals court ruled that he could be rearrested, instructing the lower court to dismiss Khalil’s habeas petition, a court filing that challenged his incarceration and eventually secured his release. His deportation proceedings had been paused.

Asked by Katie Pavlich on NewsNation on Wednesday whether there are plans to rearrest Khalil and move forward with deportation, Tricia McLaughlin, DHS assistant secretary for public affairs, said “it looks like he’ll go to Algeria. That’s what the thought is right now.”

“It’s a reminder for those who are in this country on a visa or on a green card. You are a guest in this country — act like it,” said McLaughlin. “It is a privilege, not a right, to be in this country to live or to study.”

New York City Mayor Zohran Mamdani said at a press conference on Thursday that Khalil “is a New Yorker. He should remain in New York City.”

“We have seen this attack on him as part of a larger attack on the freedom of speech that is especially pronounced when it comes to the use of that speech to stand up for Palestinian human rights. I will make that clear to everyone. He deserves to be in the city just like any other New Yorker,” Mamdani said.

Khalil, who grew up in Syria but is of Palestinian descent, first came to the U.S. on a student visa, and later married a U.S. citizen and received a green card. While a graduate student at Columbia in 2024, he led campus protests against the war in Gaza and subsequent negotiations with university administrators. 

The federal government sought to deport Khalil on the basis of his failure to disclose crucial information in his green card application, including his former employment by the U.N. Relief and Works Agency that works with Palestinians, as well as his membership in the unofficial campus group Columbia University Apartheid Divest, which was banned from Instagram last year for promoting violence. 

Immigration authorities arrested Khalil at his home in March. He was not charged with a crime. The White House said at the time that the government had authority to arrest and deport Khalil based on the 1952 Immigration and Nationality Act, which states that if the secretary of state has “reasonable grounds” to believe that a migrant poses “potentially serious adverse foreign policy consequences,” that person is eligible for deportation.

A memo submitted in May to the court in Louisiana and signed by Secretary of State Marco Rubio cited the president’s authority to expel noncitizens whose presence in the country could have adverse foreign policy consequences, regardless of whether they have committed a crime. It stated that Khalil’s arrest and planned deportation were based on his “participation in antisemitic protests and disruptive activities, which fosters a hostile environment for Jewish students in the United States.”