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 which is a sawn off, double-barreled shotgun. Rumors that the layout of the "Doom" levels Harris created resembled that of CHS circulated after the massacre, but appear to be untrue, though some still believe it. Harris spent a great deal of time creating a large WAD, named Tier (a song by Rammstein), calling it his "life's work." The WAD was uploaded to the Columbine school computer and to AOL shortly before the attack, but appears to have been lost. Eric David Harris (April 9, 1981 – April 20, 1999) was born in Wichita, Kansas. The Harris family relocated often, as