Let me put it to you this way, investigateworld;
Had Japan won the war, despite American firebombing, and had gotten their hands on Curtis LeMay, what do you think they would have done with him? I doubt it would involve a trial.
The IMT's (International Military Tribunals) were a farce, a Potemkin display of "justice" and "fairness" imposed upon defeated nations by their CONQUERORS, and subject to having thei findings and sentences negated (or dictated by politics. Which is exactly what happened, anyway, in most cases.