Before the facility was shuttered, detainees at Florida’s “Alligator Alcatraz” federal immigration jail were frequently locked in outside metal cages no bigger than a phone booth, according to a damning government watchdog report that said the practice “does not align with standards for humane treatment”. The findings from the office of the inspector general of the Department of Homeland Security (DHS) were published on its website – and offer rare criticism of the Trump administration by one of its own agencies. The report also provides the first official confirmation that guards repeatedly used the highly restrictive cages on detainees in direct contravention of Immigration and Customs Enforcement (ICE) rules.
In December, the Guardian was the first to report an Amnesty International dossier detailing multiple alleged human rights abuses at the controversial camp in the remote Florida Everglades, including how people were regularly shackled outside in metal cages for hours as well as exposed to brutal heat, sunshine and swarms of mosquitoes. At the time, a spokesperson for Ron DeSantis, the Republican Florida governor whose administration ran Alligator Alcatraz on behalf of the federal government, dismissed the claims now confirmed by the DHS report as “fabrications” – and the Amnesty report as “a politically motivated attack”. The same spokesperson did not respond to the Guardian’s request for comment on Monday.
The notorious immigration jail closed in June after a year of operation during which DeSantis boasted of detaining and deporting more than 21,000 immigrants. Officials cited the risk of holding detainees in tents during hurricane season for the closure. Critics, however, said the $1.2m of taxpayers’ money that DeSantis was spending on the camp daily was fast becoming a political millstone – while separate lawsuits swirled over the jail’s impact on the environmentally fragile Florida wetlands, and the harsh mental and physical treatment of detainees that several Democratic lawmakers decried as akin to “torture”.
The inspector general’s office report exposed numerous failings found during an unannounced January 2026 visit by DHS inspectors to Alligator Alcatraz, which they refer to as the Florida Soft-Sided Facility (FSSF). Many of the shortcomings, they said, posed “significant risks to detainee health and safety”. Additionally, it studied records that revealed 79 instances between July 2025 and January 2026 in which guards placed detainees in the metal cages for up to two hours at a time.
Each cage, the report noted, offered only about 18 sq ft of floor space, less than half the minimum 37 sq ft required for single-person spaces by ICE’s own published national detention standards. The inspector general’s discovery of cases in January means detainees were still being confined in the cramped cages more than a month after Amnesty International exposed the practice and DeSantis’s office denied it was taking place. The report acknowledged concerns raised by the Democratic US senators Jon Ossoff of Georgia and Dick Durbin of Illinois in March over the use of the cages known to detainees as “The Box”.
But the report said facility staff insisted they were used as “calming areas” for detainees “to deescalate and have time alone”. However, inspectors found at least one time in which a cage was documented to have been used as a disciplinary tool: for a detainee who “failed to comply with a lawful command”. Inspectors noted that there were locking mechanisms on the cages.
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