English: One of the diagrams made by FBI's Investigative and Prosecutive Graphic Unit after the Columbine High School Massacre. Harris (red dot) and Klebold (blue dot) are shown leaving the school's library; green dots indicate witnesses of the event.
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Captions
Map of the shooting at the library at Columbine High School, April 20, 1999
{{Information |Description= One of the diagrams made by FBI's Investigative and Prosecutive Graphic Unit after the Columbine High School Massacre. Harris (red dot) and Klebold (blue dot) are shown leaving the school's libraryl, green dots indicate witness