WASHINGTON -- Gun control activist Mark Kelly said Sunday a proposed national gun background bill under discussion in the Senate should include better access to mental health records that could prevent psychologically disturbed people from obtaining guns.

Kelly, a former astronaut and husband of former Rep. Gabrielle Giffords, said the man who severely wounded Giffords could not have bought the guns he wielded if a background check had exposed his mental problems.

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Jared Loughner pleaded guilty to shooting Giffords and killing six people in Tucson in January 2011. Case records released last week showed Loughner passed a background check despite evidence of his agitated mental state.

Kelly pressed for the background check proposal on Fox News Sunday. -- AP