KTVU has further information on the murder-suicide committed by Acalanes High School (Lafayette) graduate Scott Bertics against Las Lomas High School (Walnut Creek) graduate Clare Orton that happened on July 21st in the North Homestead neighborhood of Walnut Creek.
According to the Walnut Creek police department, “two firearms [were] used by Bertics on 7/21/15. Both weapons were built by Bertics, who secretly ordered various parts through the mail.”