I’m actually kinda interested if the “surveillance” is retroactive. Meaning, do they have 72 hours to go through everything that’s already out there in the ethe

I’m actually kinda interested if the “surveillance” is retroactive. Meaning, do they have 72 hours to go through everything that’s already out there in the ether about you or is it more “you can only look at active communications for 72 hours and after that you need a court order”.