Term, police surround convict believed to be Ray BRUSHY MOUNTAIN, Tenn. (AP) Authorities sealed off a 500-square-yard area last night where they believed two escaped inmates, answering the descriptions of James Earl Ray and a companion, were trapped. - . The area is about five miles due north of Brushy Mountain State Prison where Ray, convicted murderer of Dr. Martin Luther King Jr., and six companions escaped Friday night using a makeshift ladder Earlier, a former cellmate of Ray’s was arrested by state troopers. Warden Stoney Lane said Earl Hill Jr., 34, was captured not far from where all three men were spotted, in a valley of the New River. Hill, a convicted murderer, was alone when captured, but the other two appeared to be separated- by several hundred yards in the same area and trying to escape, Lane said. “These three have been just sort of drifting along, like a rabbit in front of the dogs, ’’ the warden said. The third convict was tentatively identified as Douglas Shelton, 32, serving 68 years for murder. He and the other man, believed to be Ray, were inside an area of perhaps 500 square yards, Lane said Police with dogs were closing in, Lane said, and “I would say the chances for capturing Ray tonight are excellent." .Earlier, authorities expanded the search for Ray to a 25- mile ' radius of the prison in snake-infested mountainous terrain an area of about 2,000 square miles. The com munities of Wartburg, Oliver Springs and Caryville were in the search area. '!' X-X J '