Columbine 10 Years Later: The Evidence

<span style='font-weight: bold'>Sketch</span><br />A drawing, made by Dylan Klebold, shows how the killers envisioned how they would be dressed and armed.
Dennis Schroeder / Rocky Mountain News / Polaris

Sketch
A drawing, made by Dylan Klebold, shows how the killers envisioned how they would be dressed and armed.

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