ATM there are statutes of limitations on when crimes can be investigated.
All we have is he-said/she-said and a very interesting timeline of when she decided to come forward with her accusations.
(And off on a side note, there are plenty of adults walking around with expunged juvenile records. And some of them are in positions of authority . And they’re untouchable).
So it’s not “mean conservative culture “ going on here, but a great deal of legal precedent.