Commonwealth v. McGeoghegan

In this appeal by the Commonwealth from the dismissal of several criminal complaints, we consider the lawfulness of a roadblock stop of motor vehicles for the purpose of detecting drunk drivers. A District Court judge heard the defendant McGeoghegan’s motion to dismiss the complaints against him, and the parties agreed that the judge’s rulings on that motion would apply to the complaints against the other defendants as: well. Mc-Geoghegan’s motion, which states that it was filed by direction of the court, was expressly grounded on the contention that McGeoghegan’s motor vehicle was unlawfully…