Commonwealth v. Vasquez

*369Cordy, J.

(concurring in part and dissenting in part, with whom Ireland and Cowin, JJ., join). I agree that the standard of review to be applied in this case is whether the Federal constitutional error, admission of the certificates of drug analysis (drug certificates), was harmless beyond a reasonable doubt. I also agree that an appellate court must ask whether “on the totality of the record before us, weighing the properly admitted and the improperly admitted evidence together, we are satisfied beyond a reasonable doubt that the tainted evidence did not have an effect on the [fact finder]…