During a July bond hearing, the government “alleged, but did not prove” that he was a member of the Venezuelan gang Tren de Aragua. The Trump administration has claimed, without evidence, that many of the men it sent to CECOT are affiliated with that gang.

A U.S. federal judge on Wednesday found "probable cause" to hold President Donald Trump's administration in contempt of court for violating his order last month halting deportations of Venezuelan migrants under a wartime law.