https://www.esquire.com/news-politics/politics/a18212230/what-mueller-indictments-mean/
"Oh, they’re smart fellers, they are. The indictments were rolled out perfectly. It is now absolutely impossible for the president* to fire either Rosenstein or Mueller without the worst possible political consequences. By basing the indictments on federal election law, Mueller has framed the case so as also to include anyone who accepted this criminal help."