Jeremiah Farmer said in a court filing earlier this week that he because he wanted to shed light on wrongdoing by the government in his own criminal case.On Friday, s laywers filed a motion in federal court to question Farmer under oath, according to the Chicago Tribune.Farmer, a member of the Latin Kings gang in Chicago, managed to slip away from an employee at the centre, enter a cell and repeatedly hit Kelly in the head, according to a US Bureau of Prisons report attached to Farmer's filing.A