If Trump’s done nothing illegal, he has nothing to worry about. In fact, with all the people being indicted, he should be grateful Mueller is uncovering a criminal plot conducted on his behalf so that he can “drain the swamp” of people who think they can get away with this. If he’s innocent, an investigation that keeps finding crimes should have his full support. There’s absolutely nothing to indicate Mueller or anyone on his team has falsified evidence. Does he think all criminal investigations require law enforcement to think their suspects are marvelous humans, give up all attempts to find evidence, and just believe those paragons of virtue could never commit a crime?