They have it all. Recall that we have the NSA on our side. It's a matter of properly injecting the evidence into the legal system.
Think about that and what it takes.
“... collating and organizing rather than investigating.”
That is what makes me suspicious of lengthy investigations. We know who the players are, we know where the records are, and with computers all that is necessary is to hit a key for at least 80% of the time.
They have it all. Recall that we have the NSA on our side. It's a matter of properly injecting the evidence into the legal system.
Think about that and what it takes.