NASHVILLE, Tenn.—Tennessee death row inmate Stephen Hugueley was found dead early Friday morning, three days after the state filed a motion to set his execution date. A statement from Tennessee Department of Correction spokesperson Dorinda Carter said he appears to have died from natural causes, although the exact cause of death is pending. Hugueley, 53, was pronounced deceased at Riverbend Maximum Security Institution at 2:35 a.m., according to the statement. Hugueley attorney Amy Harwell said she received a call just before 6 a.m. Friday from a prison chaplain notifying her of her client’s death. “He had been suicidal for years,” Harwell said, “But TDOC is telling me they do not think it was suicide.” Hugueley was sentenced to death in 2003 for fatally stabbing prison counselor Delbert Steed at the Hardeman County Correctional Complex the previous year. Hugueley had already been given a life sentence in August 1986 after he …