Five people?
What I AM saying is that most of your claims and the claims of those you reference point to a collection of about 5 core people. If those people are lying then yeah, it all comes tumbling down.
Unfortunately, the Central Intelligence Agency, one of the sources we are talking about, consists of a few more than five people. You can, of course, say they are all lying.
Tom wrote: "What other source would you accept as valid corroboration?"
You can duck a question better than Neo ducks bullets. What would you consider a credible source of intelligence information? If, as I suspect, the answer is "nobody," just say so.