"I look at Columbine High School as a true act of domestic terrorism ... Harris and Klebold carried their bombs into the school's cafeteria about 11 a.m. on April 20. They set the cafeteria propane ...

But in April, when Columbine High School erupted in violence ... discovered days later in the school cafeteria, that never detonated. Bombs accounted for none of the fatalities in the massacre, but ...

one of the Columbine High School killers. The car had been confiscated after a bomb squad located two 20-lb. tanks of propane along with seven pipe bombs after the massacre. Klebold's parents ...