I don't believe that it's prudent to speculate on academic impropriety.
Just putting out there what I had heard from a person I consider a very good source -- the same source, by the way, who told me that something fairly significant must have happened to scuttle the handshake deal Edwards had with his first choice to replace Hewitt.
In fact, I purposely softened the wording of my post. What I was told is that there were rumblings about "academic fraud," which certainly seems to be a serious charge.
Again, I wouldn't put this out there if I didn't think this was somebody in a position to know.
I'm obviously not trying to hurt the program in any way. TOC and Hewitt have done a good enough job of that on their own.