Letter From J. Edgar Hoover, Director of the Federal Bureau of Investigation (FBI), to the President's Special Consultant, Admiral Sidney Souers Washington, July 7, 1950 My Dear Admiral: For some months representatives of the FBI and of the Department of Justice have been formulating a plan of action for an emergency situation wherein it would be necessary to apprehend and detain persons who are potentially dangerous to the internal security of the country. I thought you would be interested in a brief outline of the plan. Action to Be Taken By the Department of Justice The plan envisions four types...