01/11/2011 06:53 pm ET Updated Nov 17, 2011

For Families Of Shooters, Silence Often Masks Grief, Guilt

The family of 22-year-old Jared Loughner reportedly returned home from a grocery shopping trip on Saturday to unthinkable news: Their son had allegedly shot Rep. Gabrielle Giffords (D-Ariz.) and 19 others, killing six.

The family has remained silent since the shooting, barricaded from the press in their Tucson, Ariz., home. Psychologists say the parents must be experiencing devastating grief and perhaps guilt over the son's actions. But there is no roadmap for the Loughners' experience, and only a few parents have stood in their shoes.

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