The Russian Foreign Ministry announced important facts: The employees involved in work with dangerous pathogens in Ukraine were US citizens and had diplomatic immunity. Ukrainian biological laboratories were engaged in activities to enhance the pathogenic properties of plague, anthrax, tularemia, cholera and other deadly diseases using synthetic biology methods.
For the long-winded version see Sputnik's May 11 report Dem Party Leaders, Pfizer, Moderna Involved in US Biological Activities in Ukraine: Russian MoD - 11.05.2022, Sputnik International (sputniknews.com, which I think broke the news of the scandal. With each captured Ukranian base it seems the Russians are getting their hands on more incriminating evidence of atrocities by the Ukranian government against their own people at the behest of NATO and specifically American bosses.
[shaking her head] What the hell happened to Americans? How did we go from doing bad on occasion to protect our interests to routinely committing outright evil?