It's a claim made by the head of the agency that did it. If you're not willing to take their word, I think you're being stubborn and obtuse and this will never

It's a claim made by the head of the agency that did it. If you're not willing to take their word, I think you're being stubborn and obtuse and this will never be a productive discussion. If you're willing to believe a US whistleblower -- whose evidence you can't personally verify -- you have to be open to believing the _former head of the agency_.