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,

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.

A new federal court filing says Kilmar Abrego Garcia experienced "severe beatings" and "psychological torture" in a supermax prison in El Salvador.