You may be right...now I am confused (not the first time)
Do you know if there is a statute or rule book we could search? Google is turning up junk...
This is what happens when your government goes so far off the reservation that you have no clue how they are operating.
Wiki article leads here...
http://www.law.cornell.edu/cfr/text/28/chapter-VI
Sounds like if the AG is a party under investigation, he’d be forced to recuse himself and then an outside special counsel would be appointed. By who appears to be a bit fuzzy...