Columbine Mine massacre Serene for two weeks, for the Columbine was one of the few coal mines in the state to remain in operation. On November 21, 1927, five hundred miners, some accompanied by their wives and children, arrived at the north gate just before dawn. They carried three Flags of the United States. At the direction of Josephine Roche, daughter of the recently- deceased owner of the Rocky Mountain Fuel Company, the picketers had been served coffee and doughnuts on previous mornings. That morning, the recently-disbanded state police, also known as the Colorado Rangers, were recalled to duty and would meet the
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 That approach has been replaced by a tactic that takes into account the presence of an active shooter whose interest is to kill, not to take hostages, known as the Immediate Action Rapid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