The Government Communications Security Bureau did not have a warrant to intercept communications in the lead-up to the raid on the Dotcom mansion in January.
Prime Minister John Key has revealed the GCSB was acting without his sign-off when it was working with police to locate people who were subject to arrest warrants.
He said he had not issued a warrant and was not briefed on the operation.
Source: New Zealand Herald. Read full article. (link)