Amol Rajan on the mechanics of investigative journalism: the nuts, bolts, fear, loathing and legal letters of being a proper investigative hack. But how easy is it to cultivate sources in a pandemic? And is the government changing the way it handles freedom of information requests?Guests: Rachel Oldroyd, Managing Editor and CEO of The Bureau of Investigative Journalism; Jennifer Williams, Politics and Investigations Editor for the Manchester Evening News; George Arbuthnott, Deputy Editor of The Sunday Times Insight investigations team; Marty Baron, former Editor of The Washington Post.Studio engineer: Donald McDonaldProducer: Hannah Sander