
John P. Cronan
John P. Cronan is a U.S. District Court judge for the Southern District of New York, known for his decision to deny Keisy Guerrero Mariano's habeas corpus request in 2021. His rulings have played a crucial role in the legal battles surrounding immigration detention and the rights of noncitizens.
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Judge John P. Cronan denied Mariano's habeas corpus request in November 2021.
Supreme Court drops noncitizen bond hearing case after Hochul pardonFox News·
United States· 2026-09-12





