I have briefly, due to the volumnes of info out there, researched this idea you presented. It holds water with many, many aspects, it does have amazing correlations in so many ways! it would leave us with several theories...GB was alive during this time and may have been the guy, though unlikely because he was too 'self absorbed' from what I hear, to not tell everybody he did it, and he was too lazy to actually do anything himself.
Or, he was a copycat, and had a secret to hide, because he may have thought the guy was smart, and he tried to be 'smart' too.
Or, he was also studied in many areas of the same ideas, like the akashic records, numerology and also cryptology and he has many similarities, but came from a different background.
There are ALOT of theories beyond this, and the similarities are worth exploration, but the actual info is very elaborated these days, though there is are some,( very few) sites that are not posting erroneous info. The actual police file is online somewhere, but its FBI and was not really their case, so only some original info is in it.
You have some excellent sleuthing there, and possiblity of connection is there, but whether or not we could ever figure it out, since sooo many have tried and there are so many suspects is another thing. the details of Brody and the murder are interestingly connected and intertwined with so many things, it makes it a crazy research project and undertaking, whew! What a possibility!
Its all those small details that are so intriguing, makes me want to learn more, and I am doing so...wouldn't that be somethin? LOL...I hope he's not, this story is very disturbing, but stranger things have happened!
Thanks NJShrink, you got me thinkin...