And even more insanity in Seattle
The following use of reasonable force is still in the laws of Washington. Although I imagine the law has been watered down by this and previous court rulings.
3) Whenever used by a party about to be injured, or by another lawfully aiding him or her, in preventing or attempting to prevent an offense against his or her person, or a malicious trespass, or other malicious interference with real or personal property lawfully in his or her possession, in case the force is not more than is necessary;