The Columbine Killers Massacre Full Documentary

The Columbine High School massacre was a school shooting that occurred on April 20, 1999, at Columbine High School in Columbine, Colorado,[2][3] an .
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<br>Classification: Mass murderer Characteristics: School shooting Number of victims: 13 Date of murders: April 20, 1999 Date of birth: April 9, 1981 Victims profile: .
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