Press Gazette: Neville Thurlbeck, former chief reporter of the News of the World, has revealed how he worked as an official informant for both the police and MI5, that a Gordon Brown ally tipped him off about Robin Cook’s secret affair and why reneging on deals helped bring about the downfall of his former paper.During the hacking scandal Thurlbeck was briefly the most infamous journalist in Britain. His new book, “Tabloid Secrets,” is published by Biteback Publishing.