The Paradise Papers are 13.4 million leaked financial documents. A German newspaper got hold of them and then farmed out the legwork to a global network of almost 100 publishers to investigate. Is scoop by collective the future for journalism? Gerard Ryle is the director of the International Consortium of Investigative Journalists and James Oliver is a producer for BBC Panorama. George Trefgarne is a former Economics Editor at The Daily Telegraph and now runs a financial PR company.

A group of female journalists have set up The Second Source in response to the problem of sexual harassment in the media industry. Ros Urwin is a co-founder and also a senior feature writer at The Evening Standard.

IMPRESS is the UK's official press regulator and Jonathan Heawood is its chief executive.

Presenter: Amol Rajan
Producer: Richard Hooper.