If FBI or CIA was eager to find who the hell satoshi is, i am pretty sure they would identify him in a very short time.
In fact, either they already know who he is or there is no need for all this because they are (USA) satoshi.
Do you really think that an anonymous forum account would protect you from the FBI? What about the other admins? If the FBI knocks (or knocked) their doors, they would sing satoshi's identity like birds.
He dead? I don't think so.
Well, considering that satoshi supposedly always used Tor to enter this forum, all they would get from his posts are Tor ip addresses, which means the FBI would have nothing work with.
Even if he used his normal internet connection, most ISP delete logs after a couple of years (but again, I think he used Tor)
Therefore they couldn't catch him.
Nobody seems to have a good answer to where Satoshi has gone and why he and his coins have not been seen for years.
I can think of only a few reasons why that might be.
1. He wants btc to succeed and knows spending his coins will cause a massive panic.
2. He is already rich and has no need for more money.
3. He was hired/tagged by an agency or institution and is under NDA.
4. He is sick of btc.
5. He hates attention/spotlight and does not want the leadership role.
What if the answer is even simpler? He had a car accident / heart failure and died. His wallets are lost and therefore never spent.
This is so much more reasonable and probable than "satoshi is an AI" or other crazy theories here. It's sad, but I think this might be the truth.
The chances that he is dead are rather high. He could have been the guy that had that terminal illness and got his body cryogenized, and he was the first miner and the person to recieve a transaction from satoshi himself, I forgot his name, how was it?
Even if he isnt that guy, im pretty sure he could have been another guy that is now dead. That, or he forget his keys, lost them, or he is a hardcore long term holder.
I think the name you are looking for is Hal Finney.
You must be joking. The US government has admitted running more TOR exit nodes than any other single entity.