In April 2011 Satoshi emailed Gavin (and in part criticizing him for failing to credit other contributors work on Bitcoin). Gavin replied that he would be visiting the CIA. Satoshi never emailed anyone else again. (unless you want to believe the messages from years later after the accounts were known to be compromised were satoshi)
This is true because GA publicly announced its intention here in the forum in late April 2011.
I want to get this out in the open because it is the kind of thing that will generate conspiracy theories: I'm going to give a presentation about Bitcoin at CIA headquarters in June at an emerging technologies conference for the US intelligence community.
From everything I’ve been able to read so far, GA had some of his own ideas and theories that he was constantly trying to impose, but given that Satoshi always had the last word, GA and some others started to be very critical and literally rebelled against Satoshi. I think the CIA was the thing that showed Satoshi what kind of people he was actually dealing with.
And I don’t think anything has changed to this day, Faketoshi has obviously turned to those who have been very critical of Satoshi in the past, and they are giving him support to accomplish his crazy intentions.