The Donald John is frustrated. He wants to control the Justice Department and resents not being allowed to do so. Poor baby or crybaby?

Failed Civics class, did ya? . . .

The Justice Department is under the Executive Branch of the government. That means that the President IS in charge of the Justice Department. That's why the Attorney General is a member of the President's cabinet and why Mr. Trump can fire the Director of the FBI.

sounds like both

The president doesn't have the look and sound of someone who's frustrated. If he is, we should all be frustrated.