MERCADO v. UNITED STATES. No. 4478.United States Court of Appeals, First Circuit. July 13, 1950. Francisco Mariano Mercado Gomez, pro se. Francisco Ponsa Feliu, Acting U.S. Atty., and Pascual Amado Rivera, Asst. U.S. Atty., both of San Juan, Puerto Rico, for appellee. Before MAGRUDER, Chief Judge and WOODBURY and FRANK, Circuit Judges. WOODBURY, Circuit Judge. […]