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Fourth Circuit Rules Mandatory Detention Policy Illegal

By Geopolitics Desk · 2026-09-10 · 2 min read
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A divided federal appeals court has struck down the administration's mandatory detention policy, citing historical parallels to Japanese American internment and deepening the circuit split that could lead to a Supreme Court review.

The Fourth Circuit Court of Appeals ruled on Thursday that the federal government’s policy of holding immigrants without the possibility of release on bond is unlawful. In a divided decision, the majority opinion described the practice as evoking some of the darkest chapters in American history, specifically drawing parallels to the mass detention of Japanese Americans during World War II. This ruling marks the ninth federal appeals court to reject the administration’s interpretation of immigration law, significantly increasing the likelihood that the U.S. Supreme Court will be forced to resolve the conflicting judicial interpretations.

According to GN geopolitics/migration (en-US), the decision creates a geographic patchwork in immigration enforcement. Immigrants in jurisdictions where the policy has been struck down may seek bond hearings, while those in regions where the policy remains in effect, such as Texas and Louisiana, continue to face stricter detention requirements. The administration argues that it is merely enforcing a 1996 statute that previous administrations did not fully apply, but legal experts and the court majority contend that Congress did not intend for such a broad expansion of detention powers to the interior of the country.

Historical Parallels in Legal Reasoning

Judge Nicole Berner, writing for the majority, emphasized that the policy implicates the constitutional due process rights of millions of noncitizens who have lived and worked in their communities for years. She noted that the current administration’s approach is more expansive than previous instances of mass detention, including the internment of Japanese Americans and the detention of Chinese immigrants in the late 19th century. The majority concluded that if Congress had intended to authorize the mandatory detention of such a large population in 1996, it would have provided clearer statutory language to that effect.

Administrative Defense and Legal Conflicts

The U.S. Department of Homeland Security has dismissed the ruling, stating in a public statement that it remains confident in its legal position. Officials under Secretary Markwayne Mullin maintain that they are enforcing the law as written to ensure national security. However, the administration’s stance has been challenged by a growing number of federal courts. Michael K.T. Tan, a lawyer for the ACLU’s Immigrants’ Rights Project, argued that the government’s track record of reversing course on this issue undermines its current legal arguments. The dissenting opinion, authored by Judge Allison Rushing, supported the administration’s interpretation of the 1996 statute.

Supreme Court Pathway Emerges

With two appeals courts having upheld the mandatory detention policy while nine have rejected it, the legal landscape is now sharply divided. This circuit split places the issue at the center of upcoming high-court deliberations. The administration has already requested that the Supreme Court take up the matter, signaling an intent to seek a definitive national ruling. For now, the outcome for individual immigrants depends heavily on their location, creating a complex and inconsistent enforcement environment across the United States.

Based on reporting by GN geopolitics/migration (en-US), compiled by the Tradingbird desk.

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