“In most respects, ICE facilities operate with less consistent oversight and legal accountability than state or federal prisons or local jails,” Brinkley-Rubinstein said. “ICE detention facilities and people that run them tend to be much less transparent about their operations.”

Several immigrant detainees described high tension and anxiety at the remote, hastily constructed facility over a lack of information, recreation and access to medication.

Hundreds of immigrants with no criminal charges are being held at a state-run immigration detention camp in the Florida Everglades that President Trump and his allies have dubbed "Alligator Alcatraz," according to records obtained by the Miami Herald and the Tampa Bay Times.