A "high school-aged" teen will be booked into the King County Juvenile Detention in connection to the homicides.

The 11-year-old girl's parents are Sarah and Mark Humiston, who owned the house by Lake Alice where the attack took place.

The 11-year-old who survived a mass killing inside a ritzy mansion in Washington was released from the hospital – two days ...

A sixth victim — the alleged teen killer’s sister — was shot twice during the massacre and taken to Harborview Medical Center ...

An electrical engineer in Washington state and his nurse wife, who were allegedly murdered in their mansion by their teen son ...

"There was no significant confrontation with the young man who was taken into custody,” said Mike Mellis, a spokesperson for ...

A 15-year-old boy will be held pending charges in connection with the deaths of two adults and three young teenagers at a ...

Two adults and three teenagers were killed after a "disturbance with gunfire" at a home in Seattle, police say.

When deputies entered the home, they discovered the bodies of two adults and three juveniles. King County Sheriff’s Office ...

A 15-year-old was arrested Monday after five people were found dead in a home in Fall City, Washington, law enforcement ...