Homeland Security says a detainee fainted. But other accounts say the man was unconscious. One witness said the guards did not seem to know how to check his pulse.

The ruling by U.S. District Court Judge Kathleen Williams came after a two-day hearing in a lawsuit filed by environmental groups and joined by the Miccosukee Tribe of Indians.

The Florida migrant detention center dubbed "Alligator Alcatraz" might have gotten its name from the massive reptiles that inhabit the nearby swamps, but the facility is also located in a known breeding area for the endangered Florida panther,