The Supreme Court agreed Thursday to decide whether the Trump administration may require potentially millions of immigrants living in the United States to remain detained throughout deportation proceedings without an opportunity to seek release on bond. The new case turns a regional conflict that has produced thousands of individual court challenges into a nationwide test of federal detention authority.

The justices acted after appellate courts divided over a policy adopted by the Department of Homeland Security in July 2025. Judges in nine of the 11 federal circuits have concluded that the government cannot categorically deny bond hearings to people arrested inside the country, while the Fifth and Eighth Circuits have upheld mandatory detention, according to the Associated Press. The Supreme Court’s review will determine which rule governs nationally.

The grant does not resolve the dispute or immediately release anyone. It places the controversy on the Court’s new term, which begins Monday; an argument date has not been announced.

How the detention policy changed

For nearly three decades, immigration authorities generally treated people already living in the country who were arrested away from the border under a law that permits an immigration judge to consider release on bond. A hearing does not guarantee release; it allows individualized review of flight risk and public safety.

The administration changed that approach through a July 8, 2025, ICE memo. The guidance classified people who entered without inspection as “applicants for admission,” even when they had lived in the United States for years. Under the government’s reading of Section 1225, those applicants “shall be detained” while their cases proceed and generally cannot obtain a bond hearing from an immigration judge.

The Justice Department’s Board of Immigration Appeals later adopted the same interpretation, making it binding within the immigration-court system. The administration argues that mandatory detention helps ensure people appear for hearings and can be removed if their cases fail. In its Supreme Court filings, the government also says the circuit split has created an unworkable system in which eligibility for bond depends heavily on where a person is detained.

Nine circuits rejected the government’s reading

The policy produced an unusually broad wave of habeas corpus litigation. A Reuters analysis found that hundreds of federal judges had ruled more than 4,400 times that immigrants were being detained unlawfully under the new interpretation. The challenges involve people with widely different immigration histories, but many have lived in the country for years and have no disqualifying criminal record.

Most appeals courts concluded that the mandatory-detention language applies principally to people seeking entry, not to every person later arrested in the interior. The Fourth Circuit became the ninth appellate court to reject the policy in September, according to the ACLU, which represents challengers in several cases.

The Fifth and Eighth Circuits reached the opposite conclusion. In the Fifth Circuit case now listed as docket 26-43, Judges Edith Jones and Andrew Oldham said prior administrations’ decision not to use the statute so broadly did not mean the government lacked that authority. Victor Buenrostro-Mendez and Jose Padron Covarrubias, the petitioners, argue that the statute preserves access to individualized custody review for people detained after living in the country for years.

The statutory question carries constitutional consequences

The immediate dispute centers on statutory language rather than a general constitutional right to release. Section 1225 requires detention of an “applicant for admission” who is not clearly entitled to enter, while Section 1226 generally gives the government discretion to detain or release a person during removal proceedings. The central question is whether someone who crossed without inspection years earlier is still “seeking admission” when arrested inside the country.

The administration says its interpretation follows the 1996 law and helps prevent people from evading removal. Solicitor General D. John Sauer called the issue critically important and said inconsistent regional rules were generating thousands of petitions, as Reuters reported in June.

Challengers answer that the government’s reading erases the distinction Congress created between people seeking entry and people already present. They also contend that prolonged detention without individualized review raises Fifth Amendment concerns, particularly for longtime residents with families or potential defenses to deportation. Lower courts have separately considered whether due process requires hearings as detention lengthens.

What happens before the Court rules

The current regional patchwork remains in place unless the justices issue a separate stay or interim order. In most circuits, lower-court precedents require access to bond review for people covered by the policy. In the Fifth and Eighth Circuits, the government retains broader mandatory-detention authority, although individual detainees may still raise constitutional claims through habeas petitions.

The Court could hear several related appeals together because administration petitions from the Second and Sixth Circuits challenge rulings against the policy, while the Fifth Circuit case reaches the Court from the opposite direction. The earlier split expanded rapidly over the summer as more appellate panels ruled, creating the kind of nationwide inconsistency the Supreme Court often steps in to resolve.

The final decision will determine more than the availability of bond. If the administration prevails, immigration authorities would gain substantially greater power to hold people arrested inside the country for the full duration of removal cases, which can last months or years. If the challengers prevail, detention would remain possible, but immigration judges generally would retain authority to assess flight risk and public safety individually. The next decisive steps will be the Court’s briefing schedule, the scope of the consolidated cases and whether the justices treat the dispute as purely statutory or address the constitutional limits that have divided lower courts.