Teen faces murder charges in shooting deaths of 5 family members in Washington state home

A 15-year-old boy was charged Thursday with murder in the shooting deaths of his parents and three of his siblings at a home in Fall City, Washington, according to court documents obtained by CBS News.

The teen, whose name is being withheld because he is a juvenile, was charged with five counts of aggravated murder in the slayings of his parents, Mark and Sarah Humiston, two brothers, ages 9 and 13, and his 7-year-old sister, per King County court records.  

He was also charged with one count of attempted murder for shooting and wounding his 11-year-old sister, the documents read.