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Looking ahead: School Shooters .info 4.0

School Shooters .info
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Karl Pierson’s Journal (version 1.1) [3 pp, 132 Kb]

[SS.I 4.0] Pierson’s entire journal has not been made public. These are the excerpts included in the “Investigative Report: Arapahoe High School” — also available on this site.

Related to Incident: 
Arapahoe High School

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Last update: 15 March 2026