The network said an article about the government's terrorist-tracking database that was published on Tuesday by The Intercept website provided "proof of the newest leak." The article was based on classified government documents.
The Intercept's Glenn Greenwald, the Pulitzer Prize winning journalist who's reported extensively on Snowden's revelations of National Security Agency surveillance programs but whose byline did not appear on the latest article, suggested on Twitter last month that there is a second leaker.
Seems clear at this point RT @ageis @vruz Bruce Schneier: "I think there's a second [NSA] leaker out there." https://t.co/0iCULZWf0L
— Glenn Greenwald (@ggreenwald) July 4, 2014
And Greenwald said in February that he had "no doubt there will be other sources inside the government who see extreme wrongdoing who are inspired by Edward Snowden."