Citizenfour is a 2014 documentary film directed by Laura Poitras, concerning Edward Snowden and the NSA spying scandal. The film had its U.S. premiere on October 10, 2014 at the New York Film Festival and its UK premiere on October 17, 2014 at the BFI London Film Festival. The film features Glenn Greenwald and was co-produced by Poitras, Mathilde Bonnefoy, and Dirk Wilutzky, with Steven Soderbergh and others serving as executive producers.