The IV Amendment to the Bill of Rights explains this as clearly as it can be said. The fact that this bill is before congress is yet another attempt by beltway agencies to break the law in order to dig through the electronic correspondence of American Citizens. While the Constitution was meant to be a living, breathing, changing document, this section was not part of those expected changes. Attached: US Bill of Rights Amendment IV
The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated, and no Warrants shall issue, but upon probable cause, supported by Oath or affirmation, and particularly describing the place to be searched, and the persons or things to be seized.