He hasn't been found guilty of anything, yet, but that's largely (imo) because the Merrick Garland DOJ has refused to prosecute and blocked attempts to independently figure out what the hell he's doing.
I think it's highly likely he's guilty of sex trafficking minors and both the DOJ and the ethics committee know this.
She's definitely going after the Republicans because they're the ones who have the power to force this release. The Dems have no real impact as long as the Republicans vote as a bloc, which they are likely to do. This is basically a threat to people who might step out of line that their records might be next.