In a surprising and possibly unlawful act, five state legislators were denied entry Thursday into a taxpayer-funded migrant detention center deep in the Everglades, raising questions about what will happen behind the razor-wire fences that are being erected surrounding the controversial facility the state has named Alligator Alcatraz.

Alligator Alcatraz is now open with its first group of undocumented immigrant detainees housed in Florida’s Everglades.