To mark 20 years of HARDtalk, this is another chance to see an interview from 2015, as Stephen Sackur talks to a writer whose work has made him the most dangerous of enemies. A decade ago Roberto Saviano wrote a best-selling book, Gomorrah, which exposed the power and brutality of the Neapolitan mafia. The crime bosses put a price on his head, and he has lived in a shadowy world of safe houses and bodyguards ever since. He followed this up with a book about the global cocaine trade. Why has he sacrificed so much to expose organised crime? Show less