They did that with all the Japanese to get info on biological weapons. Or check out the Monster of the Shōwa era (https://en.wikipedia.org/wiki/Nobusuke_Kishi

They did that with all the Japanese to get info on biological weapons. Or check out the Monster of the Shōwa era (https://en.wikipedia.org/wiki/Nobusuke_Kishi https://en.wikipedia.org/wiki/Nobusuke_Kishi), who was originally held for war crimes, and then became prime minister.