Carole Cadwalladr reports:
The UK authorities are operating a surveillance system where “anything goes” and their interceptions are more intrusive to people’s privacy than has been seen in the US, Edward Snowden said.
Speaking via Skype at the Observer Ideas festival, held in central London, the whistleblower and former National Security Agency specialist, said there were “really no limits” to the GCHQ’s surveillance capabilities.
Read more on The Guardian.