US small arms per 100 persons: 120 Portugal small arms per 100 persons: 20 US murder rate: 5.9 per 100,000 Portugal murder rate: 0.8 per 100,000 US mental health care system: for-profit, limited by insurance carriers Portugal mental health care system: Single-payer public Smart kid in Portugal gets scholarship to come to US, lives here 20 years, has mental breakdown, kills a professor and shoots up a university. I don’t think the problem is immigration from Portugal. The problem is here.