A Venezuelan man who was deported from California to El Salvador and held at one of the country's infamous prisons recounts his months in custody, recalling meager rations and the torture and beating of fellow inmates.

Deported under a little-known wartime law, more than 130 Venezuelans were sent from the U.S. to a maximum-security prison in El Salvador. Now released, several tell NPR they endured beatings, sexual abuse,

Venezuela says it is opening a formal investigation into several Salvadoran officials, including President Nayib Bukele, over the alleged abuse of Venezuelan migrants deported from the US.