By Kanishka Singh WASHINGTON (Reuters) -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.

Kilmar Abrego Garcia says he suffered severe beatings, severe sleep deprivation and psychological torture in the notorious El Salvador prison the Trump administration deported him to in March, according to court documents filed Wednesday.