Journalist Glenn Greenwald in Radio New Zealand's Auckland studio. Photo: RNZ / Kim Baker Wilson
Glenn Greenwald is a constitutional and civil rights lawyer, turned blogger and journalist who spent several years investigating NSA wire tapping and was chosen by Edward Snowden to reveal NSA actions on a massive scale.
Mr Greenwald will release information on the Government Communications and Security Bureau's activities at an event hosted by the Internet Party founder Kim Dotcom in Auckland tonight.
Here he talks to Kathryn Ryan during Nine to Noon.
