It must be hard - very hard - for Mueller to go looking for Trump/Russian connections, all the while ignoring the Clinton/Russian connections.
Then there’s all the illegal FBI/DOJ actions that Obama and Clinton orchestrated to interfere in the election.
Mueller is searching for a nothing burger needle in a haystack, all the while ignoring each and every illegal liberal piece of hay in said haystack.
We don’t know that. With all the evidence of Hillary campaign collusion, he may be forced to investigate it.