For people who don't read the article, the answer as suggested in the article is that the FBI and the courts wouldn't allow it either for Biden or for Trump as

For people who don't read the article, the answer as suggested in the article is that the FBI and the courts wouldn't allow it either for Biden or for Trump as releasing the evidence to the public would violate the privacy of witnesses and informants and might interfere in future investigations, even though no such investigations are forthcoming. Make of that what you will.