What you haven't acknowledged yet...
Assume it goes how you said...he vetted...Whitten was involved, and gave a thumbs up... they're both confident the incident wasn't as it was originally portrayed, he's not likely to do it again, etc... So they hire him.
He comes to IU, has success, wins big for a few years. Then he's out at a restaurant in Indy, maybe in the offseason even...and some drunk husband and wife bring up the DV issue, gets in his face, harasses Beard and the people with him. Beard sticks up for himself, gets in to a fight with the guy, police are called, etc...
My contention is Beard could easily get "cancelled", and IU would be forced to fire him, in that situation. Where as...if they hired McCasland, McCollum, May, Drew, Otz... that incident probably just goes away. And well, actually is much less likely to ever happen in the first place.
So he's fired, we lose 3/4 of our players, we're not planning for a coaching search, we have to name one of his assistants...Deja Frickin Vu...
Is he worth that risk?
If Dolson does all the leg work, comes to the conclusion that he's the guy...I'll cheer like crazy for him. Both personally and professionally. But again...I'm wary about hiring him because of the increased potential for how it could end.