As you know there was another shooting at Fort Hood recently.
Looking at how it was 'spun' we first see anxiety and depression listed as possible causation, but then the discussion changed to there being an argument which prompted the violence. I thought that was very interesting. The average person doesn't think of anger management problems in the same way they think of a mental illness. And, it seems unfair and inaccurate to assume anyone with a mental illness is potentially dangerous.
I found an article I thought was helpful in showing the relationship between anger and violence. The author makes the point that anger is an epidemic needing to be treated, and that skills such as anger management, DBT, and mindfulness are effective. These are all skills we work on in intensive outpatient.