More than fifty ensuing shooters have taken nearly three hundred lives and wounded over five hundred more, and every shooter on that page left evidence they were inspired or influenced by the attack at the center. And a 2015 investigation of Columbine copycats by Mother Jones found more than two thwarted attacks for each one that succeeded.2 It identified fourteen plotters targeting Columbine’s anniversary, and thirteen striving to top its body count. Surviving mass shooters have admitted they are now competing with each other. Twenty-five years later, Columbine haunts our present and our
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