Columbine High School massacre

In the months prior to the attacks, Harris and Klebold acquired two 9 mm firearms and two 12-gauge shotguns. A rifle and the two shotguns were bought in what was perhaps a straw purchase in December, 1998 by a friend, Robyn Anderson, who had purchased the shotguns at the Tanner Gun Show in December, in private sales from individual(s). ................
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