There is another version of the story
Mueller delivered a sample of uranium requested by the Georgian and Russian authorities so that they could determine if it was the same as some stolen uranium they had confiscated
https://www.thenewamerican.com/usnews/foreign-policy/item/26617-mueller-s-role-in-delivering-uranium-to-russians-raises-questions
While its still odd…maybe things aren't always what they seem…