On the passing of Robert Mueller, Obama posted:

Bob Mueller was one of the finest directors in the history of the FBI, transforming the bureau after 9/11 and saving countless lives. But it was his relentless commitment to the rule of law and his unwavering belief in our bedrock values that made him one of the most respected public servants of our time. Michelle and I send our condolences to Bob’s family, and everyone who knew and admired him.

While Trump posted:

"Robert Mueller just died. Good, I'm glad he's dead. He can no longer hurt innocent people!"