Attorneys for Giuliani were told Monday that he is a “target” of the criminal probe. https://www.nbcnews.com/politics/2020-election/rudy-giuliani-testify-grand-jury-wednesday-georgia-election-interferen-rcna43473 So here's how it works - Step 1. Make it clear to Giuliani that they have enough evidence to put him away foir what's rest of his life, Step 2: Convince Giuliani to testify against Trump in exchange for leniency. Step 3: Indict Trump with charges that if he's convicted, will prevent him from running for public office.