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police identify arapahoe school shooter karl pierson_00001910.jpg
police identify arapahoe school shooter karl pierson_00001910.jpg

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Police name Colorado school shooter

Police identify the shooter in the Arapahoe High School shooting as 18-year-old Karl Halverson Pierson.

Police name Colorado school shooter

Police identify the shooter in the Arapahoe High School shooting as 18-year-old Karl Halverson Pierson.