Massachusetts Appeals Court November 8, 2010, No. 09-P-435 (Commonwealth v. Quinones)

Rubin, J.

After a jury trial in the Superior Court, the defendant, Juan Santos Quinones, was convicted as a joint venturer of assault and battery, see G. L. c. 265, § 13A, armed robbery while masked, see G. L. c. 265, § 17, and assault by means of a dangerous weapon, see G. L. c. 265, § 15B(6). He now appeals.

1. Background.