The Guardian's Glenn Greenwald told the Argentine newspaper La Nacion the additional paperwork could hurt the United States, but that's not Snowden's goal
He said Snowden has a "large number" of documents regarding software Americans use "without consciously agreeing to surrender their rights to privacy."
Snowden gave copies of these papers to a handful of people, CNN reported Sunday.
"The U.S. government should be on their knees every day praying that nothing happens to Snowden, because if something happens, all information will be revealed and that would be their worst nightmare," Greenwald said.
Snowden is wanted by the United States on charges of espionage and property theft after he leaked details of the NSA's cellphone and Internet monitoring. The former NSA contract employee has not been seen in public since his arrival in Moscow, where he has asked for temporary asylum.
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