The 15-year-old boy arrested in connection with five family members' deaths was charged Thursday with the murder of his parents and three of his siblings.

The boy said his 13-year-old brother had killed their family and “taken himself out,” and that he was currently hiding in the bathroom.

Because of his age and nearly two decades of legal precedent that requires courts to treat children differently from adults, the 15-year-old boy accused in a mass shooting near Fall City will have a far more complicated court case than if he were even a year older.

A teenager has been arrested after five people were shot dead in a "domestic violence" incident at a home in Seattle, Washington. Police were called to the house in Fall City on Monday morning following reports of a shooting.

A 15-year-old was charged Thursday with the murders of his parents and three siblings and in the attempted murder of another sibling who survived Monday’s attack at the family’s Washington state home.

A 15-year-old boy was charged with murder three days after he allegedly shot his parents and three young siblings to death in a bloody scene inside their lavish Washington state mansion. Prosecutors charged the teenage gunman — who was not identified due to his age — on Thursday with five counts of first-degree aggravated murder and one count of first-degree attempted murder,

A teen accused of killing five of his family members and trying to kill a sixth was officially charged by King County prosecutors on Thursday.