Commonwealth v. Costa

A jury found the defendant, Edward J. Costa, guilty of unlawful possession of a firearm (G. L. c. 269, § 10[a]), unlawful possession of a “large capacity” weapon, and two counts of unlawful possession of a “large capacity feeding device,” see G. L. c. 269, § 10(ra). On appeal, the defendant asserts error in (1) the denial of his motion to suppress physical and testimonial evidence; and (2) the instructions to the jury on the element of “possession.” He also maintains, and the Commonwealth concedes, that his conviction of unlawful possession of a firearm is duplicative of his conviction of…