Fourth Amendment is the most aggregiously sidestepped by Third Party Doctrine. Though I suppose a case can be made for the Fifth as well. The fact is that the

Fourth Amendment is the most aggregiously sidestepped by Third Party Doctrine. Though I suppose a case can be made for the Fifth as well. The fact is that the Federal Government loves wielding access to the Financial System as a gigantic exercise of soft power. Centralization nakes exercising that power feasible.