Harry Truman actually said...
In addition to the authority vested in the Representative of the United States and its Chief of Counsel by Paragraph 1 of Executive Order No. 9547 of May 2, 1945, to prepare and prosecute charges of atrocities and war crimes against such of the leaders of the European Axis powers and their accessories as the United States may agree with any of the United Nations to bring to trial before an international military tribunal, such Representative and Chief of Counsel shall have the authority to proceed before United States military or occupation tribunals, in proper cases, against other Axis adherents, including but not limited to cases against members of groups and organizations declared criminal by the said international military tribunal.
01/15/1946