justice department but it's something very devastating, something the american people need to know. >> ooi'm interested in your vie of the question that robert mueller is a private citizen, not bound by justice department regulations or what william barr may have instructed him to do. do you suspect, knowing what you know about robert mueller, had he may be more unshackled, more free to discuss not just the letter or his report but how he pursued his investigation and the evidence that he used to reach his conclusions? >> there's two pieces to the question, one is mueller and the other is the special counsel regulations that he's now lifted himself from. with respect to mueller, this is a by the book person through and through, so i don't expect him to go far beyond the four corners of his report. the special counsel regulations when we wrote them in 1999, we looked for someone outside the justice department to serve as special counsel when a need arises, the reason for that is we were worried about an attorney general who would