CDV of train robber and Sam Bass gang member Dr. Henri Stewart. In 1879 he killed Dr. J.B. Jones in an attempted hold up of the Missouri-Kansas-Texas train at Caddo, Chocktaw Nation while a member of the Sam Bass gang. He was later hung at Fort Smith, Arkansas on August 29, 1879 for murder. This is, to date, the only known image of Stewart. Yes. He was a real Dr who went bad. From the estate of Robert (Bobby) Palazzo, Westlake Village, Ca.