How to explain violent behavior?

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PSY 309
Writing Assignments

On April 20th 1999 at Columbine High School in Colorado two students engaged in one of the most severe mass murders in recent US history. A few weeks ago marked the 10th Anniversary of the killings at Columbine. What have we learned about the cause of the killings since that fateful day?

Links:

1. USA Today article
2. CNN article
3. ABC News article
4. Wikipedia

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