Given the number of other dangerous things people can get their hands on from cars to baseballs bats, if someone isn't sane enough to be trusted with a firearm, why are they walking the streets?
http://www.pbs.org/wgbh/pages/frontline/shows/asylums/special/excerpt.htmlDeinstitutionalization is the name given to the policy of moving severely mentally ill people out of large state institutions and then closing part or all of those institutions; it has been a major contributing factor to the mental illness crisis. (The term also describes a similar process for mentally retarded people, but the focus of this book is exclusively on severe mental illnesses.)
Deinstitutionalization began in 1955 with the widespread introduction of chlorpromazine, commonly known as Thorazine, the first effective antipsychotic medication, and received a major impetus 10 years later with the enactment of federal Medicaid and Medicare. Deinstitutionalization has two parts: the moving of the severely mentally ill out of the state institutions, and the closing of part or all of those institutions. The former affects people who are already mentally ill. The latter affects those who become ill after the policy has gone into effect and for the indefinite future because hospital beds have been permanently eliminated.
The magnitude of deinstitutionalization of the severely mentally ill qualifies it as one of the largest social experiments in American history. In 1955, there were 558,239 severely mentally ill patients in the nation's public psychiatric hospitals. In 1994, this number had been reduced by 486,620 patients, to 71,619, as seen in Figure 1.2. It is important to note, however, that the census of 558,239 patients in public psychiatric hospitals in 1955 was in relationship to the nation's total population at the time, which was 164 million.