a roving security guard commissioned by a policedepartment. I had a drunk Indian on my hands once while I was investigating policework and-I was operating as a special officer and I finally gave him an. a patrol officer licensed by the policedepartment. Special Officers either remain in a specific area to guard it or patrol a neighborhood on behalf of the local merchants. They are armed, uniformed and generally have the same duties as a regular policeofficer when on patrol.a roving security guard commissioned by a policedepartment.