Kilmar Abrego Garcia, the migrant returned to the U.S. in early June after being wrongfully deported to his native El Salvador, reported severe mistreatment in a high-security prison in the Latin American nation,

In a rare account of conditions inside the notorious Terrorism Confinement Center (CECOT), Abrego’s attorneys say he and others deported there from the United States were beaten and forced to kneel for 9 hours.

Lawyers for Kilmar Abrego Garcia on Wednesday continued their push to keep their civil case against the Trump administration alive, requesting to amend the lawsuit to include what they describe as the “torture and mistreatment” he experienced at El Salvador’s notorious mega prison,