I thought it was a foregone conclusion that the NSA uses its massive surveillance network to do traffic analysis on all entrance and exit nodes. What we're see

I thought it was a foregone conclusion that the NSA uses its massive surveillance network to do traffic analysis on all entrance and exit nodes. What we're seeing here is called "parallel construction". The FBI was given this illegally obtained surveillance data, made the arrest, and then needed to make up a lie as to how they really found him.