Don't you think it's possible that he'll have Burkett say that he was the source of the documents, but he didn't forge them and he doesn't know who does? Sounds like something Rather would run with.
Or better yet, "the old, original, typewritten memos were destroyed under orders in 1997, and were later recreated on a PC."
Damn it all. You're probably right. Hell, I'll go so far as to say that your remarks border on prophetic.