UNITED STATES, APPELLEE, v. HELMER MOSQUERA, DEFENDANT, APPELLANT. No. 87-1729.United States Court of Appeals, First Circuit.Submitted February 4, 1988. Decided May 3, 1988. Page 1123 Helmer Mosquera, pro se. Deborah A. Ramirez, Asst. U.S. Atty., and Frank L. McNamara, Jr., U.S. Atty., Boston, Mass., on brief, for appellee. Appeal from the United States District Court […]