"I was in my own home, and I was in immediate fear for my safety and the safety of my family. The man kept coming, so I took the necessary steps to remove the threat. I'm a bit shaken right now, so that is all I will say. Anything else will need to go through my attorney."

Sya this and you will meet all of the requirements of the specific RCW.

9A.16.050
Homicide — By other person — When justifiable.
Homicide is also justifiable when committed either:

(1) In the lawful defense of the slayer, or his or her husband, wife, parent, child, brother, or sister, or of any other person in his presence or company, when there is reasonable ground to apprehend a design on the part of the person slain to commit a felony or to do some great personal injury to the slayer or to any such person, and there is imminent danger of such design being accomplished; or

(2) In the actual resistance of an attempt to commit a felony upon the slayer, in his presence, or upon or in a dwelling, or other place of abode, in which he is.


[1975 1st ex.s. c 260 § 9A.16.050.]