OCHOPEE, Fla. (AP) — The first group of immigrants were scheduled to arrive Wednesday night at a new detention center deep in the Florida Everglades that officials have dubbed “Alligator Alcatraz,” the state’s attorney general said.

A federal court filing casts doubt on the Trump administration’s claims that the federal government would pick up the tab for “Alligator Alcatraz.”

President Trump is expected to take a walking tour of a temporary migrant detention center being referred to as Alligator Alcatraz in South Florida.