Number: HARD-012 Description: How do the school shootings of 1999 compare to those of previous years? Narrative: The shooting at Columbine High School in Littleton, CO, seemed to be the culmination of a series of school shootings. Is this an entirely new phenomenon in the United States? If not, how does it differ from older cases of school violence? Articles that are restricted to the details of the shooting at Columbine High School are off-topic.