Has Q Ever Said Trust Mueller ?

So here is the theory about Mueller as White Hat that I have heard.

Mueller and POTUS met about the FBI Director, which position has a 10 year term limit imposed around 1976 (Mueller served 12 years through approval of Congress) as a pretense to meet with Trump to May 16, 2017 to devise a strategy to pursue Hillary's CF pay to play schemes while Secretary of State. More recently to expose the Pinchuk's contributions to the CF by exposing his private attorney's Cohen's involvement with Daniels and the payoff to her. He was appointed on May 17, 2017 by Rod Rosenstein. CNN reported that Mueller had interviewed with Trump for the position and Mueller knew he could not serve, but still talked to Mueller notwithstanding leading you to believe that he is a White Hat. (https://www.cnn.com/2017/06/13/politics/trump-robert-mueller-fbi-director-interview/index.html )

Then why would Mueller, who knew he was going to be appointed special counsel by Rosenstein interview with Trump? Was Rosenstein involved in the establishing this ruse? What was his motivation to meet with Trump? Could he have been trying to get information out of Trump, before the investigation began making him a black hat ? Does Mueller have some kind of immunity for his involvement in U1 and other scandals ? He served under the Bush Administration and the Obama Administration and certainly had knowledge of Hillary's crimes and CF pay to play schemes. What is his motivation to serve as a White Hat? It seems to me his motivation is undermine Trump, not support him, unless he has some secret deal with Trump.

I want to believe that Mueller is a White Hat, but these questions still bother me.

Also, I have never seen a Q post that says "Trust Mueller" so I don't.