Isaiah Shoels' previous problem with E/D

Has there ever been any information expanding upon the fact that E/D had had problems with Isaiah prior to the shooting, like what went down?
Also, we know he was an athlete and 'jock', I was wondering if you would consider Matt Kechter and Corey DePooter jocks? They seemed like big dudes.

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There was a thread on this a while back. I think the consensus is that there is no real evidence that E&D had a problem with Isaiah.

Well he was a jock apparently