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11:10 -The two mass murders arrive
Dylan Klebold and Eric Harris arrive at Columbine each driving their own seperate cars. The two soon leave their vehicles carrying their needed weapons including handguns, CO2 bombs and two duffle bags containing 20lb propane bombs. -
11:17 -Waiting for mass destruction
Following leaving the two bombs concealed in duffle bags in the cafe the two make their way back to their cars waiting for the explosion planning to shoot fleeing students but soon realize the bombs had failed to go off -
11:19 - The horror begins
The two killers enter the school killing people on sight moving at random. -
11:20 -The horror continues
The killers work their way deeper into the school still shooting upon sight.