From Prince William County police:
The citizen asked the suspect for identification and the name of his supervisor. The suspect then immediately went back to his vehicle and left the area. – On July 31 at 6:41 a.m., officers responded to investigate a suspicious vehicle which was reported in the area of Williamson Boulevard and Duneiden Lane in Manassas. The investigation revealed a citizen was stopped at the traffic light on Sudley Road at Williamson Boulevard, attempting to make a left turn.