the U.S. government knew about Japan's use of chemical weapons but failed to prosecute Japanese officers at the Tokyo war crimes tribunal in 1946. because it wanted to learn from Japan's knowledge of bacteriological warfare. Who specifically decided this? Was there really anything new to learn?

Who specifically decided to forego prosecution on a genocidal event, to forsake exposure and justice, to seek results of experiments done on human subjects?

Did Truman voice an opinion on? Did Douglas MacArthur weigh in on who should be allowed to avoid prosecution?

Was the Soviet threat the main reason to avoid prosecution?

It seems like a thinly disguised excuse; results from gas experiments and future help developing a comparable gas program. , since this area of research had been ongoing since ww1. Plus, shared knowledge of England and France

Not a thing one is to leave in a presidential or a generals memoirs,