15-year-old boy charged in shooting deaths of parents, 3 siblings in Washington state The Associated Press15-year-old accused of killing his parents and 3 siblings in their Washington state home NBC News15-Year-Old Charged With Murder Of Parents, 3 Siblings At $2 Million US Home NDTVTeen charged with murder of parents, 3 siblings in Fall City KING5.com‘Multiple’ Family Members Killed in Wash. Home, 15-Year-Old Son in Custody: ‘You Thought They Were Perfect’ PEOPLE