May an Officer Stop a Car to Serve an Occupant with a Subpoena or Other Civil Process?

Suppose that Victor Victim was the victim of a non-fatal shooting. Law enforcement has charged Dan Defendant with the crime, but Victor is not enthusiastic about testifying against Dan and has not cooperated with the police and the prosecutor in the run-up to the trial. The State has issued a subpoena to compel Victor’s attendance. Olga Officer is out looking for Victor when she sees him driving by. May Olga stop Victor’s car in order to serve him with the subpoena?

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