Q&A: What’s known of fatal shootings at California vets home

SAN FRANCISCO — Three days after a former Army rifleman killed three mental health care workers at a program where he had received care in Northern California, there are still more questions than answers. Albert Wong, 36, slipped into a going-away party at The Pathway Home on Friday morning. About seven hours later, a robot with a video feed showed officers that Wong and the three workers were dead.