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Man held at Rio Grande detention center in Laredo, Texas

A man held at Rio Grande Processing Center in Laredo filed his own petition challenging his detention. A judge ordered officials to respond by August 7 and to give notice before any transfer.

Jul 30, 2026Laredo, TX

Mario Alfonso Rivera Santiago, detained at Rio Grande Processing Center in Laredo, Texas, filed a pro se Petition for Writ of Habeas Corpus under 28 U.S.C. § 2241 against the Department of Homeland Security and the Warden of Rio Grande Detention Center. The U.S. District Court for the Southern District of Texas ordered respondents to submit their response by August 7, 2026, with Rivera Santiago able to reply by August 21, 2026. The court also ordered respondents to notify it at least five days before any anticipated transfer or removal of Rivera Santiago outside the Southern District of Texas.

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