CINCINNATI — Investigators recovered 18 bone fragments near an old chimney where investigators believe the body of a developmentally disabled 3-year-old foster child was burned, a county coroner said Thursday. The boy's foster parents, charged with killing him, pleaded not guilty Thursday to murder. The bone fragments were from a child 2 to 4 years old, said Dr. O'dell Owens, the Hamilton County coroner. Each was less than inch long and found in soil in rural Brown County, east of Cincinnati. "The DNA that is being processed came from a small piece of tissue that was found," Owens said. Authorities...