Commonwealth v. Dyer

The defendant appeals from a Superior Court jury *851conviction of felony motor vehicle homicide, G. L. c. 90, § 24G(a). He challenges the admission in evidence of medical records revealing his blood alcohol content level and certain physician testimony, the judge’s jury instructions, and his trial counsel’s effectiveness. We affirm.

Background. The jury heard the following evidence, which we supplement as necessary within our analysis of each issue. At about 7:30 p.m. on January 21, 2005, defendant Sean Dyer, then eighteen years old, picked up his friends in his father’s car to attend a drinking…