If that is the case, the scale of such surveillance requires far more than just a handful of people. This is a massive investment of people and logistics. I am tired of hearing from Hannity and others that this was just a few people at the top. Where were the whistleblowers? The FBI, DOJ, CIA, NSA, State Department, etc. need a wholesale cleaning out.
Attkisson reports how one FISA warrant against Trump staffer Carter Page could be used to legally surveil 25,000 people, who were associated with him:
You bring up a critical and undisclosed reality of how many extra people, computer time and etc does each FISA Warrant cost us.