Deep in the hazardous and ecologically fragile Everglades, hundreds of migrants are confined in cages in a makeshift tent detention facility Florida’s Republican governor calls “safe and secure” and Democratic lawmakers call “inhumane.”

Two days after filing a lawsuit against Florida Gov. Ron DeSantis for being “unlawfully denied entry” to inspect conditions at the facility dubbed “Alligator Alcatraz,” members of Congress and state representatives were given a limited tour Saturday to inspect conditions after calling the lack of access a “deliberate obstruction meant to hide what’s really happening behind those gates,” according to a joint statement from lawmakers.

They said they heard detainees shouting for help and crying out “libertad”— Spanish for “freedom” — amid sweltering heat, bug infestations and meager meals.