Commonwealth v. Rosado

The defendant appeals from his conviction in Boston Juvenile Court of assault by means of a dangerous weapon on the ground that the evidence was insufficient to convict him under a theory of joint venture.

The jury could have found the following facts. On March 27, 2000, Lewis Lopez, a Boston police cadet, was returning to his Roslindale apartment after finishing his shift at the Boston police juvenile detention center. At 10:50 p.m., as he left a Massachusetts Bay Transportation Authority bus, he noticed a group of four to six individuals “hanging out” on a bench at the bus stop across the…