A man accused of murdering his roommate and then dumping his body at a hog farm wants his statement to authorities thrown out because he claims officers violated his constitutional rights.The accused murderer, Timmie Lee Bain, 50, is charged with killing Daniel Mayo in a homicide authorities say actually happened a couple of years before he was charged last year. Dustin Ray McKillip and Gary Lee Lankford Jr., are also charged with murder and abuse of a corpse for helping Bain dispose of Mayo’s body after he was allegedly gunned down by Bain. McKillip and Lankford are also charged with being accessories after the fact.Bain stands charged with shooting his roommate and co-worker in the face with a shotgun during a drunken argument at their apartment that adjoined a hog barn where they worked at Mud Creek.