NSA whistleblower Edward Snowden’s Russian lawyer, Anatoly Kucherena, whose novel Time of the Octopus provided the basis for the upcoming movie “Snowden” shot by Oliver Stone, spoke to RT about the unexpected challenges filmmakers encountered in the US.

Simply called Snowden, the biographical thriller directed by Oliver Stone tells the story of the US National Security Agency whistleblower who revealed the agency’s pervasive surveillance to Americans and the world.