WASHINGTON: A 13-year-old boy described by police as obsessed with school shooters was arrested on multiple firearms possession charges and causing a threat after they say they found social media posts about intentions to kill and seized 23 guns and ammunition from his home. The boy pleaded not guilty to a total of five charges, four of them felonies, in juvenile court on Monday. He was arrested over the weekend in Washington’s Pierce County. The boy’s name has not been released. It was not immediately known if he had a lawyer. Juvenile court records are generally confidential.

Authorities in Washington State said they have arrested a 13-year-old accused of obsessing over school shootings and living in a residence with an arsenal of firearms.

The boy pleaded not guilty to a total of five charges, four of them felonies, in juvenile court on Monday.

WASHINGTON: A 13-year-old boy described by police as obsessed with school shooters was arrested on multiple firearms possession charges and causing a threat after they say they…