I just responded to this question you posed in another thread but here ya go again. A better question is has yourex ever been arrested for a felony or domestic assault crime? (just going off the fact he has had a scuffle with the law apparently)
Note: If he has a Concealed Weapons Permit than their is no problem with a loaded firearm in his vehicle.
9.41.050 Part 2.A. http://apps.leg.wa.gov/RCW/default.aspx?cite=9.41.050
For legally carrying in a vehicle without a permitthe weapon needs to be handeled as such:
9.41.060 Part 9 http://apps.leg.wa.gov/RCW/default.aspx?cite=9.41.060