You didn't think this surfaced without some big time help? The Trumpists are on Herr Mueller's butt - AND RIGHTLY SO!
This is a warning shot to Mueller to pull in his horns, or face personal ruin.
"Adversity makes you stronger. Don't give in, don't back down and never stop doing what you know is right. Nothing worth doing ever, ever, ever came easy and the more righteous your fight, the more opposition that you will face." --TRUMP