Wrong link?
But I don't even need it. Let's put together all your claims (without a shred of evidence) so far:
1) Kid wasn't at school during shooting
2) Teacher lies for kid
3) Kid said he was not aware of shooting
4) None of the other 65 people in the room came out and corroborated that kid wasn't at school for shooting and that the teacher was lying
We know 1) is false, because the creator of said fake news, already admitted it took a quote out of context, and retracted the claim.
2, 3, 4? All your claims. Since you did your 'simple detective' work, lets see it.