Walter Scott Smith, Jr. (born October 26, 1940) is a United States federal judge.Born in Marlin, Texas, Smith received a B.A. from Baylor University in 1964. He received a J.D. from Baylor University School of Law in 1966. He was in private practice in Waco, Texas from 1966 to 1980. He was a judge on the State District Court, Waco, Texas from 1980 to 1983.Smith was a United States Magistrate Judge for the U.S.