I didn't blow the whistle...although some of them were pretty small.
As far as I know, she never has opened her mouth about Spitzer (or any of her other clients). All the gory details came from wiretaps of phone conversations between her and her, ahem, “dispatcher”, including the dispatcher warning her that previously dispatched ladies had reported that he pressured them to do things that weren’t safe. My recollection is that the feds made the transcripts public.