Apparently the shooter had either been released or asked to leave treatment program on site. It’s not clear why he left, yet. He held more hostages but let them go while keeping these three.
The shooter hasn’t been identified yet.
Gunman & hostages found deceased.
http://www.kcra.com/article/chp-gunman-is-holding-3-hostages-at-vets-home-in-yountville/19375657
No matter the ‘story’ the entire situation is very sad and one which many tried to prevent and end it well...it didn’t unfortunately..and that can and does happen with unstable people regardless of efforts to prevent or stop from happening.