I would say the emails, notes and memos came via an ousted MP and his followers. Who else would of had a stronger motive. Hollow Men shine a light on Nationals winning team and they are nothing more than criminals. But the story of who, where and how the information got to Nicky Hager is the book I want to read, New Zealand's Watergate.
Talking of Criminals, the Brothers why were they never charged for their part in the conspiracy, after all they did conspire against the Government in ways that broke the law. It seems if you are a church being a criminal is expectable, even if it means some contradiction, of your morals and standards.
The morals all these people have displayed, the pillars of society, closer to tomb stones really.