The Pubbies are in the mode of slow torturing them. That’s good - it was entertaining in the Coliseum in its day and it’ll be great fun now. If you’ve ever seen a bullfight, Pubbies in Picador mode for now, but will become Matadors as this develops.
As to the immunity question, of course they’ll give her immunity if the target is the White House. IMO, today’s press release was a well aimed broadside at her, a kind of decision aid.
You give them too much credit.