1. The peace officer executing a warrant shall make return thereof to the court. At the request of the Attorney General acting pursuant to a specific statute or the district attorney any unexecuted warrant must be returned and cancelled.
2. On or before the return day the person to whom a summons was delivered for service shall make return thereof.
3. At the request of the Attorney General acting pursuant to a specific statute or the district attorney, made at any time while the indictment or information is pending, a warrant returned unexecuted and not cancelled or a summons returned unserved or a duplicate thereof may be delivered by the clerk to a peace officer or other authorized person for execution or service.