COTTonLINE has written repeatedly about the scandal that is the de-institutionalization of the mentally ill. Here is a Wall Street Journal article that lays out the history of this failed policy, beginning with an address to Congress by President John F. Kennedy exactly fifty years ago this week.
If we would begin to get control over mass murder and other social pathologies that flow from mental illness, we need to reinstitutionalize the mentally ill. Yes, it will be expensive, and yes, it will be at risk for abuse, and no, those aren't reasons not to do it.
People whose CPUs aren't working properly need to be segregated from society, to protect them and us. Hat tip to RealClearPolitics for the link.