“ As we held in Jackson, supra, where a state defendant has not been given an adequate hearing upon the voluntariness of his confession, he is entitled to a hearing in the state courts under appropriate procedures and standards designed to insure a full and adequate resolution of this issue. 'A state defendant should have the opportunity to have all issues which may be determinative of his guilt tried by a state judge or a state jury under appropriate state procedures which conform to the requirements of the Fourteenth Amendment.' Rogers v. ”

“ The conviction was affirmed on appeal by the West Virginia Supreme Court of Appeals. State v. Stevenson, 147 W.Va. 211, 127 S.E.2d 638. Certiorari was denied here. 372 U.S. 938, 83 S.Ct. 886, 9 L.Ed.2d 768. He then filed a petition for habeas corpus in the United States District Court. Stevenson v. Boles, 221 F.Supp. 411. That court issued the writ on the ground that the State Supreme Court of Appeals used an erroneous standard for determining voluntariness and that an oral admission of guilt contained in the testimony of three state police officers was involuntary. ”