Thanks Bicyclerider. With all the BB historical knowledge I have observed on this board, I am surprised that more information is not known about this topic.
Well, considering they are (illegal) bootlegs and the question has to do with how they were leaked, most people who really know details would likely not want talk that much about what they know--or how they know it. And because of that sensitivity on the topic, it isn't the kind of information that would reliably reach a larger audience. Some things remain mysteries and rumors.