An investigative reporter for "The Guardian" presents an assessment of the NSA surveillance scandal that has triggered debates over national security and information privacy to explore its alliances and consequences.

With unprecedented access, this gripping behind-the-scenes chronicle follows award winning director Laura Poitras and journalist Glenn Greenwald's remarkable encounters with whistle-blower Edward Snowden in a hotel room in Hong Kong, as he hands over classified documents that provide evidence of mass indiscriminate and illegal invasions of privacy by the NSA.

"In 2013, Edward Snowden shocked the world when he broke with the American intelligence establishment and revealed that the United States government was secretly pursuing the means to collect every single phone call, text message, and email. The result would be an unprecedented system of mass surveillance with the ability to pry into the private lives of every person on earth. Six years later, the man who risked everything to expose the US government's...