The Deep State did get him
ironically, in the original meaning, not the Trumpnet lexicon.
The Deep State in original construction was the fact that within the apparatus there are thousands of civil servants who just do their job and follow the law as it is interpreted for them.
That's an enormous frustration for radicals who want to come in and change everything on their own or behave as they wish.
You had a loyal intel employee and a Trump appointed AG who decided to follow the law.