Keywords: Columbine fbi diagram 0017a.jpg One of the diagrams made by FBI's Investigative and Prosecutive Graphic Unit after the Columbine High School Massacre Harris and Klebold injure Michael Johnson and Mark Taylor Source http //www cnn com/SPECIALS/2000/columbine cd/Pages/Sketch_0017 htm compare with http //www fbi gov//hq/lab/org/ipgu htm PD-USGov Columbine High School massacre |