Edward Snowden

Edward Snowden, an American contract employee at the National Security Agency, is the whistleblower behind significant revelations that surfaced in June 2013 about the US government's top secret, extensive domestic surveillance programmes. Snowden flew to Hong Kong from Hawaii in May 2013, and supplied confidential US government documents to media outlets including the Guardian

Intelligence leaker Edward Snowden said the NSA sometimes uses data it collects for economic purposes. Photo: AP

NSA also serves economic interests: Snowden interview

The US National Security Agency sometimes uses data it collects for economic purposes, intelligence leaker Edward Snowden revealed in an extract of an interview with a German television station broadcast yesterday.