The perpetrators , twelfth grade ( senior ) students Eric Harris and Dylan Klebold , murdered Killing 12 students and one teacher , before committing Committing_crime suicide Killing .

Ten students were killed Killing in the school library , where Harris and Klebold would commit Killing suicide Killing .

Harris and Klebold also wished to become Becoming infamous and “ kickstart a revolution Change_of_leadership , ” as Harris said Statement in a home video .

The crosses for Harris and Klebold were later removed Removing as it caused Causation controversy Quarreling .