You can't just fire him, you have to discredit Mueller. The illegal tactics Mueller used to entrap Gen Flynn, the obstruction of justice in withholding exculpatory evidence. His failure to recuse himself due to his obvious bias and ties to Clinton and Uranium One. Blatant illegalities of Andrew Weissmann, And now, with Mueller's action in the Enron probe and elsewhere. These are the things that will forever taint the probe and discredit it completely.