tl;dr: Senators Wyden and Schiff accuse the Trump administration of illegally withholding a FISA court ruling from March that found intelligence agencies' filtering tools for pulling Americans' messages from intercepted data constitute searches requiring warrants and must be rebuilt. The administration missed its own 180-day declassification deadline on September 13, even as it pushes Congress to reauthorize Section 702 before the court's current approval expires in March. Critics worry the renewal may be slipped into the annual defense authorization bill to avoid debate.