Interesting piece of information so the NSA tracked him through his writing style from his numerous posts and emails and from trillions of writing styles...find it hard to believe that they got the real guy, for someone that knows a thing or two about anonymity we shall never hear from him in his capacity unless another pseudo name.
TBH Satoshi Nakamoto's identity at this point matters less, bitcoin is a decentralized currency which is doing fine with support from the devs team and miners not forgetting the crypto community.