San Bernardino Terror Attack

After mass shootings, Californians respond by acquiring handguns

After mass shootings, Californians respond by acquiring handguns

Long after the victims are laid to rest and the shell casings are collected and cataloged, new research shows, mass shootings have a lasting ripple effect: For several weeks after the mayhem stops, a shooter’s deadly rampage pumps a higher-than-usual number of firearms into general circulation in the United States.

A study published this week in Annals of Internal Medicine finds that in the six weeks following the 2012 shootings at an elementary school in Newtown, Conn., acquisitions of handguns in California alone ticked 53% higher than usual...

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