A 15-year-old boy is charged in the shooting deaths of his parents and 3 siblings in Washington state

SEATTLE (AP) — A 15-year-old boy accused of sidesplitting his parents and 3 of his siblings this week eastbound of Seattle tried to pin nan slayings connected his younger brother, but a sister who survived aft playing dormant escaped to a neighbor’s location and told constabulary who really carried retired the shootings, authorities said successful a tribunal archive made nationalist Thursday.

The boy was charged Thursday successful juvenile tribunal pinch 5 counts of aggravated murder. Under Washington authorities law, a proceeding is required earlier nan lawsuit tin beryllium moved into big court.

The 11-year-old sister who survived Monday’s shooting told investigators that nan suspect had precocious gotten into problem for failing tests astatine school, and that nan handgun he utilized belonged to their father. Of each nan children, she said, he was nan only 1 who knew nan codification to nan fastener container their dada kept it in.

The King County Medical Examiner’s Office identified nan victims arsenic Sarah Humiston, 42, Mark Humiston, 43, and their children Katheryn Humiston, 7, Joshua Humiston, 9, and Benjamin Humiston, 13.

According to an affidavit of probable origin by King County sheriff’s detective Aaron Thompson, nan suspect called 911 astir 5 a.m. Monday to study that his 13-year-old relative had changeable and killed their family astatine their location successful Fall City because he had gotten successful problem for looking astatine pornography.

A neighbour a fewer minutes later called 911 saying nan injured 11-year-old had travel to nan location reporting that her family had been changeable by her 15-year-old relative and that she had played dormant earlier escaping, nan affidavit said.

Arriving deputies detained nan 15-year-old successful nan driveway and recovered nan bodies inside. The 11-year-old was treated astatine a infirmary successful Seattle and has since been released, a infirmary spokesperson said.

The 15-year-old waived his correct to look successful court connected Tuesday, according to nan King County Prosecuting Attorney’s Office. His defense attorneys said successful tribunal that he has nary criminal history. His attorneys didn’t instantly respond to a connection seeking remark connected nan charges Thursday.

The teen is scheduled to look successful tribunal connected Friday afternoon.

Mark Humiston worked arsenic an electrical technologist pinch Hargis Engineers successful Seattle.

“We are blindsided and saddened by nan tragic events that person led to nan nonaccomplishment of a respected colleague, mentor, and friend, arsenic good arsenic nan nonaccomplishment of contiguous family members,” nan institution said successful connection Thursday. “Mark’s activity and imagination were integral wrong our firm, and he will beryllium greatly missed.”