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Feb 26, 2026 DHS agents used deception to gain access to and detain a Columbia University student without a warrant Tier 1 · Primary Civil Rights and Dissent
Federal agents lied about searching for a missing child to enter student housing and detain a person without a warrant, a serious breach of due process rights.
Supporting reports
- DHS agents arrest Columbia student using false pretenses — DHS agents arrested Columbia University student Ellie Aghayeva after misrepresenting themselves as police searching for a missing child to gain access to an off-campus residence building, according to the university's president. Aghayeva was released from federal custody hours later following an apparent intervention by Trump after he met with New York City Mayor Zohran Mamdani, who raised concerns about the detention.
- Mamdani meets Trump in Oval Office; secures housing funding pitch and immigration detainee release — New York City Mayor Zohran Mamdani met with President Trump in an unannounced Oval Office visit on Thursday. Mamdani pitched a $21 billion federal grant proposal for 12,000 affordable housing units, including construction over a rail yard in Sunnyside, Queens. During the meeting, Trump appeared "enthusiastic" about the housing plan. Mamdani also secured the release of a Columbia University student from federal immigration detention who had been arrested that morning, and requested Trump consider dismissing cases against four other detained students, including Palestinian activist Mahmoud Khalil.
- Trump agreed to release detained Columbia student following mayor's intervention — NYC Mayor Zohran Mamdani met with President Trump and raised concerns about Elmina Aghayeva's detention by ICE. Trump agreed to release her "imminently." Aghayeva confirmed her release via Instagram the same day, stating she was "safe and okay." The intervention bypassed normal legal processes and demonstrated executive discretion over immigration enforcement outcomes based on political access.
- ICE detained Columbia student Elmina Aghayeva using misrepresentation to gain apartment access — Immigration and Customs Enforcement agents entered an off-campus Columbia University residential building on February 27, 2026, by falsely claiming to search for a missing child. They detained student Elmina Aghayeva without a warrant. Columbia's acting president confirmed agents misrepresented themselves and lacked proper legal authorization. Following a meeting between NYC Mayor Zohran Mamdani and President Trump, Aghayeva was released the same day. The incident sparked campus protests and criticism from state officials over ICE's tactics.
Mar 25, 2025 ICE detained Tufts doctoral student Rumeysa Ozturk after she co-wrote an op-ed on Palestinian rights, transferring her out of state in apparent violation of a court order Tier 1 · Primary Civil Rights and Dissent
A student was detained and transported across state lines for writing a newspaper op-ed, with the transfer occurring in defiance of a judge's notice requirement.
Supporting reports
- ICE detention of Turkish student for co-authoring Gaza op-ed — US Secretary of State Marco Rubio announced that the State Department had canceled at least 300 student visas related to pro-Palestinian protests. The number has more than doubled since the announcement. The visa revocations target individuals connected to US universities who have expressed public support for Palestinians or participated in pro-Palestine demonstrations, without providing affected students opportunity to protect their rights before their legal status changed.
- ICE detains Tufts doctoral student and transfers her to Louisiana before court order — Rumeysa Ozturk, a 30-year-old Turkish doctoral student at Tufts University, was detained by ICE agents on Tuesday, March 25, outside her home in Somerville, Massachusetts. On Wednesday, she was transferred to a detention center in Basile, Louisiana. On Thursday, federal judge Indira Talwani issued an order requiring the government to explain why Ozturk was being detained. DOJ lawyers acknowledged that the transfer to Louisiana occurred before the court's Tuesday order directing ICE not to move her out of Massachusetts without prior notice. DHS terminated her student visa and accused her of supporting Hamas without providing evidence, citing her pro-Palestinian activism at Tufts.
- ICE detains Turkish doctoral student Rumeysa Ozturk on visa revocation over pro-Palestinian activism — US Immigration and Customs Enforcement agents, wearing masks and hoodies, detained Rumeysa Ozturk, a Turkish national and Tufts University doctoral student, on the street in Somerville, Massachusetts on Tuesday. She was transferred to a Louisiana detention center despite a federal court order requiring 48 hours' notice before removal from Massachusetts. DHS accused her of supporting Hamas without providing evidence, citing her pro-Palestinian activism and op-ed criticizing Israel's Gaza campaign. A federal judge ordered DHS and ICE to respond by Thursday morning to an emergency motion to produce her and justify the detention.
- Tufts student detained by ICE reports medical neglect and civil rights violations in Louisiana facility — Rümeysa Öztürk, a 30-year-old Turkish doctoral student at Tufts University detained by ICE on March 25, 2025, filed a court declaration describing multiple asthma attacks while held at the South Louisiana ICE processing center in Basile. She alleges denial of medical care, unsanitary conditions, and a nurse forcibly removing her hijab without consent. Her attorneys petitioned federal court in Vermont for her release or transfer while her case proceeds. The facility, operated by private contractor Geo Group, has faced prior complaints of medical neglect and inhumane conditions.
- Federal authorities detain Tufts University international student on alleged Hamas support — On Tuesday, March 25, federal authorities in plain clothes took Tufts University international student Rumeysa Ozturk into custody on a street in Somerville, Massachusetts, alleging she had "engaged in activities in support of Hamas." The alleged basis for detention was a pro-Palestinian op-ed she had written for the Tufts newspaper. On Wednesday, March 26, the Department of Homeland Security confirmed she was being held at an Immigration and Customs Enforcement center in Louisiana.
- Rumeysa Ozturk arrested by masked ICE agents — Rumeysa Ozturk, a 30-year-old Turkish student at Tufts University who co-wrote an op-ed criticizing the school's response to the pro-Palestinian movement, was arrested by plainclothes masked immigration officers in Somerville, Massachusetts, as she was on her way to break her Ramadan fast. She was taken to several detention centers before being flown to a Louisiana ICE facility, despite a court order that said she wasn't supposed to be taken out of the state without notice.
- ICE detains Tufts student on visa revocation; alleged retaliation for pro-Palestinian speech — Rümeysa Öztürk was arrested by ICE on Tuesday in a Boston suburb while heading to an Iftar dinner during Ramadan. DHS revoked her visa, claiming she engaged in activities supporting Hamas but providing no evidence. Her attorneys allege the detention is retaliation for an opinion piece she co-authored advocating Palestinian rights. ICE transferred her to Louisiana without notifying her counsel or the court, violating a prior judicial order. She suffered an asthma attack during transport and was unreachable for nearly a full day.
- ICE detains Tufts doctoral student Rumeysa Ozturk and transfers to Louisiana detention center — Rumeysa Ozturk, a Turkish doctoral student and Fulbright scholar at Tufts University, was detained by ICE agents in plainclothes near her apartment and transferred to an ICE detention center in Louisiana. The Department of Homeland Security accused her of supporting Hamas but provided no evidence. Her detention appeared linked to her co-authorship of a March 2024 opinion piece in the Tufts student newspaper supporting Palestinian rights. A federal judge had ordered DHS to provide advance notice before transferring her out of state; ICE records suggest this order was violated.
Mar 21, 2025 ICE requested a Cornell PhD student who sued the administration to surrender to immigration authorities Tier 1 · Primary Civil Rights and Dissent
Targeting a student for deportation shortly after he filed suit against the administration's policies suggests retaliatory use of immigration enforcement.
Supporting reports
- ICE requests Cornell student to surrender to immigration authorities — The Department of Homeland Security (DHS), through the US Immigration and Customs Enforcement (ICE), requested Momodou Taal, a Cornell University PhD student and dual citizen of the UK and The Gambia, to surrender to immigration authorities. This request came days after Taal filed a lawsuit against the Trump administration's executive orders aimed at deporting foreign students involved in pro-Palestinian protests. Taal's lawyers have filed a motion to prevent his detention, and the court has ordered the government to respond to this motion.
Mar 11, 2025 DHS revoked student visas and searched Columbia dorm rooms of pro-Palestinian activists Corroborated Civil Rights and Dissent
Visa revocations and dorm searches targeting students involved in protests intensified fear among international students over political speech.
Supporting reports
- DHS revokes student visas and conducts searches — Following the arrest of Mahmoud Khalil, the Department of Homeland Security revoked the student visa of Ranjani Srinivasan, a Columbia PhD student, leading to her self-deportation on March 11, 2025. Additionally, DHS presented warrants and searched the dorm rooms of two students on March 13, 2025. These actions have heightened fears among international students at Columbia University, who feel they are being targeted for their political views and are concerned about their safety and visa status.
- Homeland Security searches Columbia University students' rooms — On Thursday night, agents from the Department of Homeland Security (DHS) conducted searches in two Columbia University students' rooms. The searches were authorized by judicial search warrants signed by a federal magistrate judge. No arrests were made, and no items were removed during the searches. The university's public safety team was present throughout the operation. This action is part of the Trump administration's broader crackdown on American universities, particularly in response to student protests at Columbia over Israel's military actions in Gaza.
- ICE obtained search warrant for Columbia University dorm rooms using false pretenses to arrest pro-Palestinian activist students — Immigration and Customs Enforcement (ICE) filed a search warrant application on March 13, 2025, claiming to investigate Columbia University for "harboring aliens," but attorneys argue the warrant was a pretext to arrest and deport two students—Yunseo Chung (a green card holder) and Ranjani Srinivasan (on a student visa)—for their pro-Palestinian activism. A federal judge granted the warrant; agents subsequently searched two dorm residences. Chung sued to block her deportation, claiming the warrant was obtained under false pretenses. She has since been granted temporary protection from deportation.
- DHS revokes visa of Columbia University student — DHS announced that a Columbia University student from India had her visa revoked and was subsequently self-deported. The agency claimed, without evidence, that she was involved in activities supporting Hamas.
Mar 9, 2025 ICE revoked green card of Columbia student Yunseo Chung following a protest sit-in Tier 1 · Primary Civil Rights and Dissent
Revoking legal residency status of a lawful permanent resident for attending a lawful protest demonstrates use of immigration enforcement to suppress political speech.
Supporting reports
- ICE revokes green card of Columbia student following pro-Palestinian protest attendance — Immigration and Customs Enforcement agents revoked the green card of Yunseo Chung, a 21-year-old Columbia University student, after she attended a sit-in protest on March 9 at Barnard College calling for the reversal of student expulsions related to pro-Palestinian activism. ICE obtained a warrant citing a federal law against "harboring noncitizens" and characterized the protest as a "pro-Hamas protest," accusing Chung of posing a threat to U.S. foreign policy interests despite her minimal involvement in protest organizing.
Mar 8, 2025 ICE arrested and detained Columbia graduate Mahmoud Khalil for pro-Palestinian activism Tier 1 · Primary Civil Rights and Dissent
Detention of a lawful permanent resident without criminal charge for protected political speech raises serious First Amendment and due-process concerns.
Supporting reports
- ICE arrests Columbia University graduate Mahmoud Khalil in first wave of pro-Palestinian student targeting — Mahmoud Khalil, a legal permanent resident and Columbia University graduate student, was arrested by ICE in New York on March 8, 2025, in what his legal team characterizes as the first in a series of ICE arrests targeting pro-Palestinian students and scholars. Khalil was detained without due process. The Trump administration is using obscure immigration law to make extraordinary claims that it can summarily detain and deport people for constitutionally protected free speech deemed adverse to U.S. foreign policy.
- ICE arrests Palestinian activist Mahmoud Khalil — Mahmoud Khalil, a Palestinian activist and permanent resident in the U.S., was arrested by Immigration and Customs Enforcement (ICE) agents at his university-owned apartment in New York. The arrest was reportedly based on a State Department order to revoke his green card, despite Khalil's status as a permanent resident. This action follows the Trump administration's vow to deport foreign students involved in protests against Israel's war in Gaza. Khalil has been transferred to an immigration detention facility in New Jersey, and his arrest has sparked criticism regarding the administration's approach to free speech and due process.
- ICE detained Columbia graduate student Mahmoud Khalil — Mahmoud Khalil, a Columbia University graduate student and activist, was detained by Immigration and Customs Enforcement (ICE) agents in New York. The arrest was part of the Trump administration's efforts to revoke his green card and deport him, citing support for terrorism. Khalil's detention has sparked outrage and protests, with free speech organizations condemning it as an attack on his First Amendment rights. A federal judge has blocked his deportation and scheduled a hearing. Khalil's wife, who is eight months pregnant, has spoken out against his detention.
- Mahmoud Khalil arrested by ICE — Mahmoud Khalil, a Palestinian activist and green card holder, was arrested by Immigration and Customs Enforcement (ICE) officers in New York City. The arrest followed public calls for his deportation by pro-Israel activists and was reportedly based on a state department order to revoke his student visa and green card. The Trump administration cited Khalil's participation in pro-Palestinian protests as grounds for his deportation, claiming his presence could have adverse foreign policy consequences. Khalil's arrest has sparked concerns over free speech and the use of immigration law to suppress dissent.
- Mahmoud Khalil arrested by immigration officials — Mahmoud Khalil, a graduate student at Columbia University, was arrested by federal immigration officers on March 8, 2025, in Louisiana. The Department of Homeland Security accused him of leading activities aligned with Hamas, a designated terrorist organization, and is attempting to deport him. Khalil's lawyers are challenging his detention and potential deportation, arguing that agents did not provide an arrest warrant. This arrest has caused fear among international students at Columbia, who feel targeted for their political views and are concerned about their safety and visa status.
- Mahmoud Khalil detained by ICE; Trump administration seeks deportation of Palestinian activist — Mahmoud Khalil, a recent Columbia University graduate and Palestinian activist, was detained by Immigration and Customs Enforcement on March 8, 2025, and remains in ICE custody in Louisiana. The Trump administration is pursuing his deportation under a rarely invoked legal provision allowing the State Department to deport non-citizens deemed a threat to U.S. foreign policy. Khalil has not been charged with any crimes; his lawyers contend the detention is unlawful retaliation for his constitutionally protected pro-Palestinian activism. An immigration hearing is scheduled for the week of April 8. His wife, Noor Abdalla, published a letter vowing to continue fighting for his release and defending his right to speak on Palestinian rights.
- Mahmoud Khalil's arrest and detention — Mahmoud Khalil, a Columbia University graduate and activist, was arrested by plainclothes agents at his university housing in New York and taken to an ICE detention facility in Louisiana. His lawyers filed an updated lawsuit demanding his release, arguing that his arrest was a retaliatory act against his free speech, as he was known for protesting against Israel's military actions in Gaza. The Trump administration has not charged him with any crime but claims he is aligned with Hamas. Khalil's arrest has sparked protests and legal challenges.
- Trump administration seeks deportation of Columbia student activist Mahmoud Khalil under foreign-policy threat provision — Mahmoud Khalil, a green-card holder and Columbia University student activist who led pro-Palestinian campus rallies, was detained on March 8, 2025, in Louisiana. The Trump administration is pursuing his deportation under a federal immigration law provision allowing the State Department to deport non-citizens deemed a threat to U.S. foreign policy. Federal officials claim Khalil led activities "aligned to Hamas" without charging him with any crime. Khalil has accused Columbia University of suppressing student dissent and laying groundwork for his arrest, and called on students to continue protests.
- ICE detains Palestinian green card holder Mahmoud Khalil — ICE detained Mahmoud Khalil, a Palestinian green card holder and recent Columbia University graduate, in New York and transferred him to a detention facility in Louisiana. The arrest was personally approved by Marco Rubio under a rarely used Cold War authority. Legal experts have raised concerns about the constitutionality of this provision and the targeting of Khalil due to his speech activities.
- Columbia graduate Mahmoud Khalil detained by ICE — Mahmoud Khalil, a Columbia University graduate and former British government employee, was detained by ICE on March 9, 2025, after being accused by the Department of Homeland Security of leading activities aligned with Hamas. The Trump administration is using a provision in immigration law to argue that Khalil's presence poses a risk to U.S. foreign policy. Khalil, a legal permanent resident, has not been charged with any specific crime. His detention has sparked criticism from former colleagues and raised concerns about freedom of speech and political targeting.
- ICE revokes green card of Columbia student following pro-Palestinian protest attendance — Immigration and Customs Enforcement agents revoked the green card of Yunseo Chung, a 21-year-old Columbia University student, after she attended a sit-in protest on March 9 at Barnard College calling for the reversal of student expulsions related to pro-Palestinian activism. ICE obtained a warrant citing a federal law against "harboring noncitizens" and characterized the protest as a "pro-Hamas protest," accusing Chung of posing a threat to U.S. foreign policy interests despite her minimal involvement in protest organizing.
- Arrest of Palestinian activist Mahmoud Khalil — Mahmoud Khalil, a Palestinian activist and Columbia University graduate, was arrested by federal immigration authorities over the weekend. The arrest was reportedly based on a State Department order to revoke his green card. President Trump stated that Khalil's arrest was the first of many to come, targeting those involved in pro-Palestinian protests at U.S. universities. Khalil's detention has sparked outrage among free speech organizations and advocates, who view it as a violation of the First Amendment and an abuse of immigration law.
- ICE detains Palestinian student activist Mahmoud Khalil — Mahmoud Khalil, a Palestinian activist and permanent US resident, was detained by Immigration and Customs Enforcement (ICE) agents in New York. The arrest, reportedly based on a State Department order to revoke his green card, has sparked outrage among civil rights groups who view it as a retaliatory act against his First Amendment rights. Khalil, who was involved in pro-Palestinian protests at Columbia University, is now held at a detention facility in Louisiana. A habeas corpus petition has been filed challenging his detention, and protests are planned demanding his release.
- Mahmoud Khalil detained by ICE — On March 10, 2025, U.S. Immigration and Customs Enforcement (ICE) arrested Mahmoud Khalil, a lawful permanent resident and Palestinian activist, at Columbia University. The arrest was reportedly in connection with President Trump's executive order aimed at revoking visas for individuals perceived to sympathize with Hamas. Khalil's lawyer stated that he was not charged with any crime, raising concerns about the legality of the arrest and its implications for First Amendment rights.
- US government attempts to deport Mahmoud Khalil using rare provision — Mahmoud Khalil, a recent Columbia University graduate and Palestinian green card holder, was detained by Immigration and Customs Enforcement (ICE) on a Saturday night. Khalil, known for his leadership in pro-Palestinian campus protests, is currently held in immigration detention in Louisiana. His arrest has sparked concerns about the criminalization of pro-Palestinian protest and the erosion of free speech and immigrant rights. Khalil's detention has prompted protests by his supporters in New York, who are advocating for his release and highlighting the broader implications for activist movements.
- — The US government is attempting to deport Mahmoud Khalil, a Palestinian activist and permanent US resident, by invoking a rarely used foreign policy provision. This provision allows for deportation if the Secretary of State believes an individual's presence could have serious adverse foreign policy consequences. Khalil, who was arrested by federal immigration authorities, is currently detained in Louisiana. His lawyers argue that this action is a violation of his free speech rights. A federal court hearing was held, but no decision was made regarding his release.
Jan 29, 2025 Trump signed executive orders combating antisemitism that direct agencies to investigate and potentially deport resident aliens involved in campus protests Tier 1 · Primary Civil Rights and Dissent
Directing enforcement actions against campus protesters under an antisemitism framework raises concerns about conflating legitimate activism with actionable misconduct.
Supporting reports
- Executive Order on Combating Anti-Semitism — President Donald J. Trump signed Executive Order 14188 on January 29, 2025, to combat anti-Semitism in the United States. The order reaffirms a previous executive order and directs federal agencies to identify legal tools to address anti-Semitic harassment and violence, particularly in educational institutions. Agencies are required to report on civil and criminal actions related to anti-Semitism, and the Attorney General is encouraged to use civil-rights enforcement authorities to combat such discrimination.
- Trump Issues Executive Order to Combat Anti-Semitism — President Donald Trump issued an executive order on January 29, 2025, titled "Additional Measures to Combat Anti-Semitism." This order reaffirms Executive Order 13899 and introduces further measures to address anti-Semitic harassment, particularly in educational institutions. It mandates executive departments and agencies to report on civil and criminal authorities that can be used to combat anti-Semitism and requires the Attorney General and Secretary of Education to analyze related court cases and Title VI complaints. The order aims to enhance the enforcement of civil rights laws to protect Jewish students and address the rise in anti-Semitic incidents following the October 2023 Hamas attacks.
- Trump signed executive order reaffirming and expanding anti-Semitism enforcement measures on campuses — President Trump signed an executive order on January 29, 2025, reaffirming Executive Order 13899 (issued in 2019) and directing additional measures to combat anti-Semitism, particularly on college and university campuses. The order directs all executive departments and agencies to submit reports within 60 days identifying civil and criminal authorities available to combat anti-Semitism, and to inventory pending administrative complaints and court cases against institutions of higher education alleging civil-rights violations related to post-October 7, 2023 campus anti-Semitism. The order encourages the Attorney General to employ civil-rights enforcement authorities and directs the Secretaries of State, Education, and Homeland Security to recommend ways institutions can monitor and report activities by foreign students and staff relevant to grounds for inadmissibility.
- White House issues fact sheet on executive order to combat anti-Semitism — The White House published a fact sheet on January 30, 2025, describing an executive order signed by President Trump to combat anti-Semitism. The order directs all federal executive departments and agencies to review and report within sixty days on criminal and civil authorities available for fighting anti-Semitism. The fact sheet states the Department of Justice will take immediate action to investigate and punish anti-Jewish racism, and the order demands removal of resident aliens who violate laws. The document frames these measures as responses to pro-Hamas protests and vandalism on campuses since October 7, 2023.