Go back and reread. He was involved, as he was aware of what happen in 1998, according to the report in 11/11, so he was involved from 1998.
It is possible that the OAG got something post Freeh and pre-arrest.
As for Sloane's arrest, it was supposedly receiving one pain pill and a small amount of marijuana. It was a very charge for the amounts involved.
Further, the plea agreement was quite generous.
Correct, a judge can impose a gag order, but it is the exception not the rule. There are some that were not released. Baldwin's were, for example as were Curley, Schultz and Paterno.
We know, for example, that Arnold testified before the grand jury, but her testimony has not been released. I think it is the same with Bradley.