Two teenagers killed 12 students and a teacher at Columbine High School on April 20, 1999. The attack lingers in the popular imagination as the first in a string of modern-day school shootings in the United States.
Source link : https://www.dw.com/en/columbine-marks-20-years-since-school-shooting/a-48419803?maca=en-rss-en-all-1573-rdf
Publish date : 2019-04-20 23:36:00
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