That's not... that's not at all what that letter says. Her deal is that they won't prosecute her for anything else related to these crimes except that they can

That's not... that's not at all what that letter says. Her deal is that they won't prosecute her for anything else related to these crimes except that they can't promise she won't be prosecuted for tax fraud. Her deal is also a sentencing recommendation that a judge is very likely to accept.