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 progress of the SWAT teams during the shooting. Sheriff Stone did not seek reelection. Police followed the traditional tactic at Columbine: surround the building, set up a perimeter, and contain the damage. That approach has been replaced by a tactic that takes into account the presence of an active shooter whose interest is to kill, not to take hostages, known as the Immediate Action Rapid Deployment tactic. This tactic calls for a four-person team to advance into the site of any ongoing shooting, optimally a diamond-shaped wedge, but even with just a single officer if more are not available. Police