Kevin Rodríguez, now back in Venezuela, said the uncertainty of not knowing how long he would be in the U.S. military facility was what worried him the most.

Kevin Rodriguez, a Venezuelan migrant who was jailed in Guantanamo, tells his story at the infamous detention camp, including lack of food, hygiene and more.

The United States has started sending more migrants deemed by officials to be “high threat” criminal aliens to the U.S. naval base at Guantanamo Bay, Cuba, just days after emptying out the base’s migrant facilities.