Originally Posted by
MistWolf
In the state of Washington, it was legal to own a silencer, but not legal to use one. Even so, if you were caught shooting one, it was a minor infraction and the police could only write you a ticket. It was understood that if you were at the range and the police showed up, you simply posted to let the officer shoot your suppressed weapon and there would be no tickets. This worked because there was no exception to the law for LEO.
Since then, Washington has changed the law so it's legal to shoot them