I know it rarely happens, but I have only been stopped by police in full uniform [displaying a badge] and driving a vehicle clearly marked as a police vehicle. I have never asked to see their credentials. YMMV.ninemm wrote:Not one person here has mentioned asking the person stopping you for proof that he/she is a legitimate LEO.
If you are truly concerned, put on your emergency blinkers, call 911 and drive to a well-lighted area with plenty of witnesses.