At 13 she fell ill, and remained an invalid until she died, mentally disturbed, in her mid-20s.

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Yes, criminals and the mentally disturbed will always find a way to access legal or illegal guns.

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But that trend may be heading for a U-turn in 2013 after last year's shooting rampages by two mentally disturbed gunmen.

NPR: After Shootings, States Rethink Mental Health Cuts

As the resident psychiatrist at a center for mentally disturbed children, Tommy Lee Jones pulls off a keenly modulated change of pace.

NEWYORKER: House of Cards

If they are mentally disturbed and are a danger to themselves or others they have to be removed from the streets, treated, and observed.

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Mentally disturbed people anywhere can sometimes pose a threat to others.

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The Freedom Party's parliamentary chief, Peter Westenthaler, then said Mr Zeman was "mentally disturbed" and "more at home in the jungle than in the European Union".

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But it will be a struggle to find legislation that can block a mentally disturbed young person with access to legally procured guns from committing another atrocity.

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There are many homeless people in New York City who are mentally disturbed who have symtpoms of psychoses, hallucinations, personality disorders that predispose to violence, just to name a few.

BBC: Should it be a crime to be homeless?

Was Adam Lanza mentally disturbed, on-or-off psychiatric meds?

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