Is Mueller part of the collusion?
That has failed. He knows it, and everyone else does too, including the people involved in the Obama administration, not to mention the FBI and DOJ.
Look at all the conflicts of interest. Item one, without even looking, is Andrew Weissman, who is the attack dog for Mueller's investigation, and he was clued in on this entire thing...while he worked in the DOJ from 2015, he was getting updates from Bruce Ohr on the putrid information from Steele.
(See this article by Chuck Ross at the Daily Caller: HERE IS WHO BRUCE OHR DID AND DID NOT TELL ABOUT HIS DOSSIER CONTACTS
He is basically investigating his own malfeasance.