PHILADELPHIA (CBS)– A special guest visited the Parkway Central Library in Philadelphia Monday night via closed-circuit television.

Edward Snowden spoke to audience members from Russia about the current status of what he calls “The Surveillance State”.

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Snowden is the former NSA contractor who revealed classified surveillance information about the United States in 2013.

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Snowden joined the “Philadelphia author event” with author and investigative journalist Jeremy Scahill, who signed books at the event.


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