Yes, Q has said that the NSA has everything, but they can't use everything in a court of law.  For instance, NSA has been eavesdropping on every American, but they do not have a legal search warrant to allow wiretapping for that eavesdropping, so the info is inadmissible in a court of law.  But if this same info is introduced in another hearing, it can be....and it will go public into the court of public opinion.