Homemade Gun in Stanford Student’s Murder-Suicide Spurs Question on ‘Ghost Guns’

Candles and a donated flower arrangement surround a photo Clare Orton at a candlelight vigil held in Walnut Creek on July 26, 2015, in her memory. (George Kelly/Bay Area News Group)WALNUT CREEK — In the hours after police here came upon a grisly murder-suicide scene in the doorway of a suburban home …