Did you know any of the people involved or live in Littleton at the time? What's your source of expertise on this subject? I find it very reasonable that even

Did you know any of the people involved or live in Littleton at the time? What's your source of expertise on this subject? I find it very reasonable that even people with a predisposition towards violence are strongly affected by how they're treated. How would having coins thrown at you by the popular kids and regularly taunted not have an effect?