In a narrow and unanimous decision, the justices ruled that a 1978 law governing national security surveillance did not displace the state secrets doctrine.
The justices considered whether the state secrets doctrine required dismissal on national security grounds of a case claiming religious discrimination.
The justices will soon consider whether to hear a case arguing that the First Amendment requires disclosure of a secret court’s major rulings.
But the F.B.I. is still using residual authority to obtain business records under a partly expired Patriot Act provision, a new report showed.
Newly disclosed episodes in which analysts improperly searched for data about Americans largely came before changes at the bureau.
The release of a newly declassified ruling follows a separate decision by an appeals court that a defunct National Security Agency program was illegal.
Newly declassified documents added more fodder for the continuing political fight over an aspect of the Trump-Russia investigation.
A bipartisan compromise to reinstate expired F.B.I. powers to investigate terrorism and espionage collapsed amid bipartisan opposition.
Lawmakers compromised on an ambiguously worded amendment that narrows a failed but popular Senate proposal.
The hearing for John Ratcliffe will be the first to employ social-distancing rules for senators since the coronavirus pandemic took hold.
But overseas targets of the government’s warrantless surveillance program continued to soar in 2019, a new report disclosed.
Footnotes were declassified from a watchdog report that found that the F.B.I. had reason to open the Russia inquiry but made errors in seeking approval to wiretap a former Trump adviser.