SEATTLE—A 15-year-old boy accused of killing his parents and three of his siblings this week east of Seattle tried to pin the slayings on his younger brother, but a sister who survived after playing dead escaped to a neighbor’s house and told police who really carried out the shootings, authorities said in a court document made public Thursday.
The boy was charged Thursday in juvenile court with five counts of aggravated murder. Under Washington state law, a hearing is required before the case can be moved into adult court.
The 11-year-old sister who survived Monday’s shooting told investigators that the defendant had recently gotten into trouble for failing tests at school, and that the handgun he used belonged to their father. Of all the children, she said, he was the only one who knew the code to the lock box their dad kept it in….