[infowarrior]

Also a place called Norman, Okla. where training was given re flying aircraft to certain murky characters.

Source for this? No flight instruction available in Norman, afaik, and I've been there numerous times. (USPS maintains a technical training facility there which I've attended numerous times over the last close to two decades...)

the infowarrior

[Peter Libra]

On Norman, Okla. a supposed base for terrorist flight school infiltration . Back to the books for me.

Such data given elsewhere. You are right in asking for a source.