Ahead of its world premiere in the Main Slate at NYFF tonight, Radius-TWC has released the first trailer for the Edward Snowden documentary, CITIZENFOUR. Directed by Laura Poitras, who, along with The Guardian‘s Glenn Greenwald was the first journalist to be contacted in what would become the NSA leak, CITIZENFOUR purports to tell Snowden’s side of the story. Poitras was years into filming a documentary on post-9/11 surveillance when she reworked the narrative to incorporate her interview sessions with Snowden. Radius releases the film in New York and Los Angeles on October 24.