Rosenstein, who is overseeing the Russia investigation because Atty. Gen. Jeff Sessions recused himself, did not inform either the White House or Sessions about the decision until after he had signed the order appointing Mueller, according to a Justice Department spokesperson who spoke on condition of anonymity.

About half an hour before the order was made public, a Justice Department official informed White House Counsel Don McGahn. Trump spokesman Sean Spicer abruptly left a scheduled meeting with reporters as White House aides huddled to draft a response.

Special counsel named to head Russia investigation; White House caught by surprise – LA Times

hmmmm