El Salvador’s mega-prison, CECOT, houses over 250 Venezuelans deported from the US as part of a contentious deportation deal. The arrangement, involving $6 million from the US, faces legal challenges and human rights concerns over conditions and detainees' affiliations.

The Trump administration is preparing to send more immigrants with criminal records to El Salvador’s notorious mega prison on the heels of a Supreme Court order allowing the use for now of a sweeping wartime authority for deportations,

Kilmar Abrego Garcia, a Salvadoran migrant who lived in the U.S. legally with a work permit and was erroneously deported to El Salvador, is seen wearing a Chicago Bulls hat, in this handout image obtained by Reuters on April 9,