Is that a cop or an impostor pulling you over? (Seth Periman, AP). That navy blue sedan behind you with the flashing blue light on the dash is probably a cop — but it could be a creep using police paraphernalia to get you to pull over. How to tell the difference? And what should you do if you’re not sure? In the United States, almost all traffic enforcement work is done by police driving one of the following vehicles: * Ford Crown Victoria sedan * Chevy Impala sedan (some departments also use the smaller Malibu and the Lumina sedans as well, though the majority in service today are Impalas) * Chevy Tahoe …Read more […..]