This was all over the news but I believe that the Matrix part is BS as I never heard/read anything about that in the news.
What I heard was that the main kid lost his Mother at a young age, his brother had some terminal sickness, he was constantly being picked on at school, was a straight A student as well... IOW, the typical stereotype you would associate with a person who would do this...
I'm not sympathizing with this dude or anything, but the people who picked on him have to share some responsibility. I find the levels to which highschool has gone to today absolutely disgusting....

*Sigh*