On the other hand, so are some of her investors. And there I think it comes down to protecting their reputations; if they can point to criminal fraud, they can paint themselves as victims rather than fools. We'll see how it plays out.
I think they come off as fools either way; people aren't any prouder to have been conned by a criminal, than having made a stupid investment. If they're concerned about saving face, they'll lay low for a while.