|Release Date||: 28 Nov 2014|
|IMDB Link||: tt4044364|
|IMDB Rating||: 8.1|
|Production||: Praxis Films, Participant Media, HBO Documentary Films|
|Director||: laura poitras|
|Stars||: edward snowden,glenn greenwald,jacob appelbaum,william binney|
In January 2013, Laura Poitras started receiving anonymous encrypted e-mails from "CITIZENFOUR," who claimed to have evidence of illegal covert surveillance programs run by the NSA in collaboration with other intelligence agencies worldwide.