Just think, as concerned as you are, how concerned Scott Dolson would be, since his job would be on the line. All I've ever said is if you bow to the pressure and rule him out without doing background checks on him, you're not doing your job. But, if he hires him, I'm confident he'll have done the necessary vetting and talked with Beard to be sure he's convinced there would be nothing similar that would derail him. If he does that, I don't think you have any more to worry about with CB than anyone else. I've also always said, don't hone in on one candidate and talk to several so if he also does that and determines Otz or McCasland or whoever is a better candidate, I'm happy for that.
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.