It appears that the facts presented in a lot of FISA applications are not reliable.
Latest in Section 702 FISA FISC
The Office of the Director of National Intelligence released partially redacted documents related to the Foreign Intelligence Surveillance Court’s (FISC) authorization of the 2018 certifications under Section 702 of the Foreign Intelligence Surveillance Act (FISA). The FISC initially approved most parts of the certification, but ruled that other aspects of the FBI protocols concerning information regarding U.S. persons were inadequate.
Just before John Brennan ended his term as director of the CIA in 2017, his agency issued a new set of guidelines under Executive Order (EO) 12333, the general charter that governs the intelligence community. Entitled “Central Intelligence Agency Intelligence Activities: Procedures Approved by the Attorney General Pursuant to Executive Order 12333,” the guidelines received little attention.
The mystery as to why there was no Section 702 application or certification reported for 2016 has now been solved (I'm assuming readers know today's big 702 news, flagged by Quinta here, and as explored in detail by Charlie Savage in this article): NSA has been struggling to resolve a problem with "about" collection under the Upstream heading, including in particular a problem with analysts quering the fruits of that c