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11h 22min, apr 20, 1999 y - The custodian called Deputy Neil Gardner, the assigned resource officer to Columbine, on the school radio, requesting assistance in the senior parking lot

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Columbine High School Shooting Timeline

ByMark
17 Mar 2019
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Date:

11h 22min, apr 20, 1999 y
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~ 26 years ago
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