At the notorious CECOT prison, he was forced to frog-march, had to kneel from 9 p.m. to 6 a.m., and was subjected to beatings and threats, his lawyers said Wednesday.

Kilmar Abrego Garcia was stripped naked, had his head shaved, beaten, forced to kneel for hours overnight, and lost over 30 pounds during his time at the notorious CECOT prison in El Salvador, his attorneys say in a new court filing.

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.