Police said he proceeded to ask the woman about her driving, asked for her information and briefly displayed what appeared to be a badge and a gun. [More]
But for the locked doors throwing him off his plan, it sounds like things could have gone very differently.
I always advise on stories like this to be aware of the "Fauxnly Ones" archive because you never know when you might have to prove you had reason to doubt authenticity.
[Via Mack H]