Columbine High School massacre Potential Students") program. He found the transition to Ken Caryl Middle School difficult. Unlike the white caps of the jocks, Harris and Klebold wore black baseball caps. As was typical in the 1990s, they wore them backwards. Harris wore a KMFDM cap, and apparently did not wear it during the massacre. Klebold's cap had a Colorado Avalanche logo on the front and a Boston Red Sox logo sewn onto the back. Following the Columbine shooting, schools across the United States instituted new security measures such as see-through backpacks, metal detectors, school uniforms, and security guards. Some schools implemented school door
Columbine High School massacre group. One of Harris's last journal entries read: "I hate you people for leaving me out of so many fun things." "The lonely man strikes with absolute rage" wrote Klebold. In an interview, Brown described them as the school's worst outcasts, "the losers of the losers". Sociologist Ralph Larkin has theorized the massacre was to trigger a revolution of outcast students and the dispossessed; "as an overtly political act in the name of oppressed students victimized by their peers...The Columbine shootings redefined such acts not merely as revenge but as a means of protest of bullying, intimidation, social isolation, and