I've just been pulled over by a so called undercover police car in London they didn't have uniform on or show me any id, they didn't get out there car just come up behind me put there blue lights on I pulled over they pulled up beside me and had a word through the Window

I just wanna know if there's a way I can find out if there actually police or what it was a 61 plate Jaguar XF or XK type R not sure which



Brian