Commonwealth v. Finegan

The defendant was convicted after trial by jury of operating a motor vehicle under the influence of narcotic drugs. G. L. c. 90, § 24. On appeal, the defendant claims error in three respects: (a) that the opinions of the police officer concerning the use of tin foil and needles for the injection of heroin and the nature of certain-marks on the defendant’s arms were improperly admitted; (b) that the stop and frisk of the passenger which produced hypodermic needles was unlawful; and (c) that the evidence was insufficient to support a finding of guilty insofar as there' was no evidence from…