Commonwealth v. Jenkins

A jury convicted the defendant of negligent operation of a motor vehicle, in violation of G. L. c. 90, § 24 (2) (a ).2 The defendant raises three arguments on appeal: (1) the prosecutor improperly commented on the defendant's right to remain silent, (2) the judge erred in admitting lay and expert opinion testimony regarding the vehicle's speed, and (3) the evidence was insufficient to prove negligence beyond a reasonable doubt. We affirm.

1. Right to remain silent. The defendant argues that the prosecutor improperly commented on his constitutional right to remain silent and impermissibly…