Palestinian activist Mahmoud Khalil asks US Supreme Court to review deportation case

Khalil is asking the Supreme Court to review whether federal immigration law prevents a federal district judge from hearing his claim that ICE detained him to punish his political speech. The issue matters because the 3rd Circuit said his claim must proceed through immigration courts instead. Those courts are run by the Justice Department, not the federal judiciary.

His lawyers want the justices to clarify that non-citizens can bring cases arguing that detention punished speech protected by the First Amendment. Khalil’s case concerns his pro-Palestinian activism at Columbia and the government’s claim that his activities created a hostile environment for Jewish students. He says the ruling could allow punishment for political expression.

For now, a lower-court order prevents Khalil from being detained again. The Supreme Court has not yet ruled on his request. If it takes the case and rules for Khalil, federal courts could have a clearer role in reviewing similar detention claims. If not, he could face arrest and deportation.

A lawful permanent resident, or green-card holder, is a non-citizen with permission to live permanently in the United States. The status is different from citizenship, but it generally allows the person to reside in the country on an ongoing basis. Khalil’s lawyers say this status is important because he was not an undocumented visitor when ICE arrested him.

Immigration agents arrested Khalil in March 2025 in the lobby of his Manhattan university residence. The article identifies him as a lawful permanent resident. Secretary of State Marco Rubio later invoked a provision of the Immigration and Nationality Act to deem him removable, citing his involvement in protests and other activities at Columbia.

That contrast drives much of the dispute. Khalil had a green card, a US-citizen wife, and a one-year-old US-citizen son, but the administration still pursued his removal. His status did not prevent the government from claiming he was removable. The Supreme Court case concerns how that claim can be challenged.

The case began with an immigration judge’s removal order, which directed that Khalil be removed to Algeria or Syria. The Board of Immigration Appeals rejected his challenge to that order in April. A separate appeal of the removal decision remains pending, so that part of the case has not ended.

Meanwhile, Khalil challenged his detention in federal district court. US District Judge Michael Farbiarz ordered the Department of Homeland Security to release him, and Khalil left a Louisiana detention centre in June 2025. In January, a 2-1 3rd Circuit panel overturned that decision, saying immigration law required his claims to proceed through immigration courts.

The full 3rd Circuit later declined to reconsider the panel’s ruling. Khalil then petitioned the Supreme Court. A lower-court order still prevents his re-detention while the justices decide whether to take the case. Thus, detention review and deportation review have moved along separate tracks.

Counting the bodies that have already acted, four judicial or administrative bodies have considered part of Khalil’s detention or deportation dispute. They are the immigration judge, the Board of Immigration Appeals, the federal district court, and the 3rd US Circuit Court of Appeals. Each addressed a different part of the larger conflict.

The immigration judge issued the removal order. The Board of Immigration Appeals later rejected Khalil’s challenge to that order. The federal district court addressed his detention and ordered the Department of Homeland Security to release him. The 3rd Circuit then overturned that release decision, ruling that immigration law limited the district court’s authority.

The full 3rd Circuit declined to reconsider the panel’s decision. That full court is part of the same appellate body, not an additional type of court in the basic count. Khalil has now asked the Supreme Court to intervene, but the article does not say that the justices have accepted or decided his case.

The immediate risk is renewed arrest and deportation. The article says Khalil faces that prospect if the 3rd Circuit’s decision is allowed to stand. The Board of Immigration Appeals rejected his challenge to an immigration judge’s order requiring removal to Algeria or Syria, so the government has an existing removal decision to pursue.

Khalil was released from a Louisiana detention centre after District Judge Michael Farbiarz ordered the Department of Homeland Security to release him. The 3rd Circuit later overturned that ruling, saying his claims belonged in the immigration system rather than a federal district court. The government has encouraged him to self-deport.

For now, a lower-court order bars the government from re-detaining him while the Supreme Court considers whether to take his case. A separate appeal of the immigration judge’s removal order remains pending. If the Supreme Court declines review or upholds the 3rd Circuit, Khalil’s path to challenge detention in district court would narrow, and deportation could proceed.

The article describes the provision Rubio used as obscure. It says he invoked it to deem Khalil removable, rather than relying only on the ordinary facts of Khalil’s immigration status. The provision gave the administration a stated legal route to pursue removal based on conduct and its alleged effects at Columbia.

The government cited Khalil’s involvement in what it called “antisemitic protests and disruptive activities” during 2024. It said those activities fostered a hostile environment for Jewish students. Khalil was a prominent figure in pro-Palestinian protests against Israel’s war in Gaza, and his lawyers argue that the government was punishing protected political speech.

The article does not detail every ordinary deportation rule or explain why those rules were insufficient. It does show why the special provision became central: it connected the Secretary of State’s determination to Khalil’s alleged activism. The resulting dispute concerns both removability and whether immigration authorities can use that power against political expression.

The First Amendment protects freedom of speech and other forms of expression from government punishment. Political speech receives especially strong protection because it concerns public debate and government policy. The article says Khalil’s lawyers want the Supreme Court to recognize that non-citizens can challenge detention they believe was imposed to punish protected speech.

Khalil was a prominent participant in pro-Palestinian protests against Israel’s war in Gaza. The administration cited his activities at Columbia when seeking to remove him, describing them as antisemitic and disruptive. Khalil’s lawyers say the government’s action punished his expression rather than merely applying neutral immigration rules.

That creates the constitutional dispute. If detention or deportation was used because of what Khalil said or supported, it could implicate the First Amendment. The 3rd Circuit focused instead on which court may hear his claim, holding that immigration law directed him toward immigration proceedings. The Supreme Court could clarify whether that procedural barrier blocks a speech-based challenge.