Dude the “unless” part is pretty generous if not insane considering Alan Dershowitz was a close personal friend of Epstein. Not just his lawyer. And he melded those two together quite well. Example:

Dershowitz got an immunity deal alongside Epstein. I repeat, Dershowitz negotiated his own immunity in a case with Epstein.

In addition to being a participant in the abuse of Jane Doe #3 and other minors, Deshowitz was an eye-witness to the sexual abuse of many other minors by Epstein and several of Epstein’s co-conspirators. Dershowitz would later play a significant role in negotiating the NPA on Epstein’s behalf. Indeed, Dershowitz helped negotiate an agreement that provided immunity from federal prosecution in the Southern District of Florida not only to Epstein, but also to “any potential co- conspirators of Epstein.” NPA at 5. Thus, Dershowitz helped negotiate an agreement with a provision that provided protection for himself against criminal prosecution in Florida for sexually abusing Jane Doe #3. Because this broad immunity would have been controversial if disclosed, Dershowitz (along with other members of Epstein’s defense team) and the Government tried to keep the immunity provision secret from all of Epstein’s victims and the general public, even though such secrecy violated the Crime Victims’ Rights Act.

Source: >https://online.wsj.com/public/resources/documents/2015_0102_epsteindershowitz.pdf