"Alligator Alcatraz will be checking in hundreds of criminal illegal aliens tonight," Florida Republican Attorney General James Uthmeier said.

Florida's Miccosukee tribe challenges new Everglades detention facility over environmental and safety concerns, as Trump tours the 5,000-person "Alligator Alcatraz."

The Trump administration says the detention center for undocumented migrants will house the “worst of the worst.” Conservationists are concerned about its impact on the river of grass.