(Springfield, IL) — A federal lawsuit alleges sexual and physical abuse of inmates in four different Illinois prisons by a special guard unit. The “Southern Illinoisan” reports the incidents allegedly occurred at Menard, Big Muddy, Lawrence and Illinois River Correctional Centers. Prisoners claim in the suit they were beaten, humiliated and needlessly abused by a unit known as “Orange Crush.” The Department of Corrections has not commented on the suit.