Officer 's attorney , union representative submit officer 's letter of resignation . Comment: Spokesman says Johannes Mehserle has been moved twice because of . In this case , Orloff said , `` the part that needs dissecting is what , if anything , can be determined about the mental state of the actor , '' meaning the officer . Video shows officer shoot Grant in back as another officer kneels on him .
Officer 's attorney , union representative submit officer 's letter of resignation . Comment: Spokesman says Johannes Mehserle has been moved twice because of . Video shows officer shoot Grant in back as another officer kneels on him .