My question with this story is 'what are certain Congressional committees hiding?

My question with this story is 'what are certain Congressional committees hiding?' Yes, there are NDAs etc, which mean they can't say anything by law. But someone obviously thought it was okay to provide certain details to Tom O'Neill. So why not tell the public at large? I have been told that O'Neill is a straight shooter - someone who tells the truth. I trust his word. And if true, it means Congress is unable to be transparent on the UAP topic - perhaps explaining why some key senators went...