Teen who allegedly shot 5 family members dead tried to blame brother, documents say

A 15-year-old boy was charged pinch execution Thursday in nan shooting deaths of his parents and 3 of his siblings astatine a location successful Fall City, Washington, according to tribunal documents obtained by CBS News.

The teen, whose sanction is being withheld because he is simply a juvenile, was charged pinch 5 counts of aggravated execution successful nan slayings of his parents, Mark and Sarah Humiston, 2 brothers, ages 9 and 13, and his 7-year-old sister, per King County tribunal records.  

He was besides charged pinch 1 count of attempted execution for shooting and wounding his 11-year-old sister, nan documents say.

That woman was successful "satisfactory condition" astatine Harborview Medical Center successful Seattle, infirmary spokesperson Susan Gregg told The Associated Press connected Tuesday.

Autopsies performed by nan King County Medical Examiner's Office wished that each 5 victims died of gunshot wounds. The handgun utilized successful nan shooting was believed to beryllium to nan victims' father, nan tribunal records state.

According to nan charging documents, conscionable earlier 5 a.m. Monday, nan fishy called 911 pinch a mendacious communicative successful which he claimed that his 13-year-old relative "just changeable my full family and committed termination too" astatine nan family's location successful Fall City, a organization adjacent Seattle.

However, astatine astir nan aforesaid clip arsenic that call, 911 dispatchers received a 2nd telephone from a neighbour who lives astir a quarter-mile away. That neighbour said nan suspect's 11-year-old sister had tally to his location and was bleeding from what appeared to beryllium a gunshot wound, nan documents said.

The woman said her full family had been fatally changeable and identified her 15-year-old relative arsenic nan gunman. The woman told dispatchers she was besides changeable by her relative and "then described holding her activity and playing dead," nan documents read. The woman later told detectives she had escaped done a chamber window.

Deputies responded to nan Humiston location and recovered nan fishy successful nan driveway and took him into custody, tribunal records show. The 5 bodies were recovered wrong nan home.

In a infirmary question and reply pinch detectives later that day, nan suspect's surviving sister said she identified nan firearm utilized successful nan shooting arsenic "her father's metallic Glock handgun," tribunal documents state.

She said her begetter kept nan pistol successful a mini lockbox that "he would sometimes put by nan beforehand doorway truthful he could bring it to work," nan documents read. She told detectives nan fishy was "the only 1 who knew nan operation to nan Glock lockbox."

Investigators wished that nan fishy "systematically murdered" his parents and siblings and "then staged nan segment anterior to nan presence of first responders to make it appear" that nan murders had been committed by his brother, documents read. 

The tribunal documents did not estimate connected a motive.  

The fishy was scheduled to beryllium arraigned Friday afternoon. The King County Prosecuting Attorney's Office said successful a news merchandise Thursday that nan fishy was being held astatine nan Clark Child and Family Justice Center, which is simply a installation for juveniles.

The teen is presently being charged arsenic a juvenile, and prosecutors said a judge will find whether his lawsuit "will beryllium moved to big court." Prosecutors, however, noted that moving nan lawsuit to big tribunal does not needfully mean nan fishy would beryllium tried arsenic an big because, nether Washington authorities law, sentencing guidelines are different for juveniles moreover if they are tried successful big court. 

In a connection Tuesday, nationalist defenders representing nan fishy said he "is a 15-year-old boy who enjoys upland biking and sportfishing and has nary criminal history."

In:
• Shooting Death
• Murder
• Washington