New documents reveal parameters of NSA’s secret surveillance programs
There’s a lot of leeway to use ‘inadvertently’ acquired domestic communications.
The National Security Agency may keep the e-mails and telephone calls of citizens and legal residents if the communications contain “significant foreign intelligence” or evidence of a crime, according to classified documents that lay out procedures for targeting foreigners and for guarding Americans’ privacy.
Newly disclosed documents describe a series of steps the world’s largest spy agency is supposed to take to keep Americans from being caught in its massive surveillance net. They suggest that the NSA has latitude to keep and use citizens’ communications under certain conditions.