Columbine Mine massacre Columbine Mine massacre The Columbine Mine massacre, sometimes called the Columbine massacre, occurred in 1927, in the town of Serene, Colorado. A fight broke out between Colorado state police and a group of striking coal miners, during which the unarmed miners were attacked with firearms. The miners testified that machine guns were fired at them, which the state police disputed. Six strikers were killed, and dozens were injured. The company town of Serene, Colorado, nestled on a rolling hillside, was the home of the Columbine mine. The strike was five weeks old and strikers had been conducting morning rallies at
Columbine High School massacre Three days before the shooting, Klebold attended the high school prom with Anderson. Both Harris and Klebold held part-time jobs at a local Blackjack Pizza. Through Philip Duran, a coworker, Klebold bought a TEC-9 handgun from Mark Manes for $500 at another gun show on January 23. After the massacre, Manes and Duran were both prosecuted. Each was charged with supplying a handgun to a minor and possession of a sawed-off shotgun. Manes and Duran were sentenced to a total of six years and four-and-a-half years in prison, respectively. In addition to the shootings, the complex and highly planned attack