Commonwealth v. Barbosa

In 2008, a jury convicted the defendant of having a firearm without a license in his control in a motor vehicle, G. L. c. 269, § 10 (a)1; possession of ammunition without a firearm identification card, G. L. c. 269, § 10 (h) (1); and possession of marijuana, G. L. c. 94C, § 34. In a following jury-waived trial, the defendant was found guilty on subsequent offender charges related to the firearm and marijuana *432convictions.2 The defendant appealed, arguing, among other contentions not relevant here, that the admission in evidence of drag certificates of analysis and a ballistics certificate of…