GRAPHIC: Surveillance video shows moment when house party turns into shootout; 17-year-old Isaiah Davion Williams charged.
Prosecutors filed charges Monday morning against a 17-year-old boy who is accused of being involved in a shootout that killed two people and injured four others at a house party over the weekend in Spanaway.
Isaiah Davion Williams faces two counts of first-degree murder and one count of second-degree unlawful possession of a firearm. Williams is 17 years old but has been charged as an adult…