Whitaker even mused about how an acting attorney general could effectively kill the investigation. “I could see a scenario where Jeff Sessions is replaced with a recess appointment,” Whitaker said on CNN last year, “and that attorney general doesn’t fire Bob Mueller, but he just reduces his budget to so low that his investigation grinds to almost a halt.”
https://www.vox.com/2018/11/7/18072956/jeff-sessions-fired-mueller-trump-russia-whitaker