NEWTOWN, Conn. - U.S. authorities are visiting local gun ranges in Connecticut but have found no evidence that the gunman who opened fire at a school there trained for the attack or was an active member of the recreational gun community.
Bureau of Alcohol, Tobacco and Firearms spokeswoman Ginger Colbrun said Saturday that investigators have also interviewed Connecticut gun dealers trying to determine whether there was any training or other behaviour that precipitated the attack.
She says investigators have yet to find evidence of that.
Colbrun says the ATF was tracing multiple guns recovered at the home of the gunman's mother.
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