Is it legal for a police officer to turn on his blue lights just so he can cross traffic instead of waiting for cars to go by? He ran a stop sign and made cars slam on their brakes just to keep from hitting him. The other drivers did not have a stop sign.

Edited: I know he did because he went across the road to a car wash, I saw him getting it washed as I went by just about a minute later. HE WAS NOT HEADED TO A CALL.

Edited again: The way the car wash is designed, the enter/exit are together and there is only one. You do not have to believe me, but that's just how it is. He could not have driven on the other side and exited. Also, I saw the car wash guy washing him (someone washes the car starting out, and then you go through the rest of the car wash).