In this Dec. 20, 2012 photo, law enforcement officials stand outside Riverview Gun Sales, as authorities raid the store in East Windsor, Conn. The shop, which sold a gun to Nancy Lanza

 

              In this Dec. 20, 2012 photo, law enforcement officials stand outside Riverview Gun Sales, as authorities raid the store in East Windsor, Conn.  The shop, which sold a gun to Nancy Lanza
In this Dec. 20, 2012 photo, law enforcement officials stand outside Riverview Gun Sales, as authorities raid the store in East Windsor, Conn. The shop, which sold a gun to Nancy Lanza, mother of Newtown school shooter Adam Lanza, had its federal firearms license revoked by the Bureau of Alcohol, Tobacco, Firearms and Explosives, which confirmed the revocation Thursday, April 4, 2013. (AP Photo/Jessica Hill)