Find the fica court order from the DOJ. Note the additional paragraph covering citizens of the US. Check who signed it. There will be your answer
Verizon hold the government contract on all land and cell phones.
There are no exceptions written into the court order.
Therefore, DOJ is keeping records on Congress, SCOTUS , Pentagon, CIA etc etc
After all Holder has said there are a few things on his list he needs to finish.... Or finish off!