Posted by jhenry: I believe she would have been legally justified in brandishing the firearm in Missouri as I read RsMO 571.030 and 563.031
Unfortunately or fortunately, your reading of the statutes would not be determinative, and is incorrect.
Unless, of course, she could present some evidence that the offender in this case actually presented a threat of physical force or violence (i.e., committed a forcible felony
Same thing in Washington, which is more relevant. A significant difference is that in the State of Washington, a citizen need not retreat.