Ut AG Mark Shurtleff's office is investigating allegations of impropriety by a former District Atty. While the former DA supports the review, he questions whether the AG's office will be impartial because the AG personally had politically supported someone else for the DA slot. In these overly harsh times (and in the wake of the Gonzales administration where a few US Attys. were rewarded or penalized for how they handled politically sensitve matters), it is not irrational to question whether an AG's office can rise above prior political relationships to do what is right.
I cannot vouch for every AG in every state, but I can say that historially AG's have overwhelmingly done the right thing on these sorts of cases. Only a prosecutor can really oversee another prosecutor, and the alternatives to the AG's office - a special prosecutor, another DA or the feds - pose far greater problems for us all than the professionals in an AG office.
As for this case and the Utah AG? My knowledge of Shurtleff and his staff leads me to conclude that there is no question that this one will be done by the book.