As JHawk said, we don't know the details of the case. The term "molest", as I understand it, can cover a wide range of actions, and I suspect that there is a spectrum of "seriousness" in the range. And as Curt says, the reason these things are sealed for minors is so that something done at age 15 does not affect you for the rest of your life. Nonetheless, now that the information is on the street, it is very likely to affect his draft position. But since it appears that this front office places great stress on character, I would expect them to do substantial investigation into the current character of their draftees, and especially one that has a known blot on that character.