that home. let s bring in dan simon. dan, what else do we know? reporter: investigators of course are trying to figure out what caused this decorated army veteran to barricade himself with three hostages, murder them and then apparently take his own life. this happening on the cam put of the nation s largest veterans home, specifically at the pathway home. and this is a facility that helps veterans deal with po post-traumatic stress disorder. we know that the gunman has been identified as 36-year-old albert wong from sacramento. he served in afghanistan beginning in 20 on 11, served a a year, had clean military record, was awarded several medals. and then suffered some type of emotional breakdown, suffered ptsd. and he sought treatment here at the pathway home. about two weeks ago, he was asked to leave. the circumstances surrounding his discharge, we don t know.
experiencing is an acceptable emotion. you want to show them how much you love them. you want to talk to them about how this is such a rare event and that this is not going to happen again to them, that they need to be able to eventually go back to school. this is going to take a wile for them to feel better. that they can expect that for a little while, a week, several days, the kids are going to have some difficulties potentially. things like feeling really clingy to their parents, not wanting to sleep alone, having nightmares. these are all things that i think the parents need to tell their kids, and in particular i think the parents need to be on high alert for the potential for this to develop into a po post-traumatic stress disorder. in general it doesn t matter whether you re talking about a war or hurricane, in general about 15% of the population is vulnerable to developing po post-traumatic stress disorder. so if you re seeing your child continuing to suffer for longer than a