Donal MacIntyre hears from investigative journalist Sam Poling, who went undercover to expose criminal activity in Glasgow's security industry. Show more

Neil Mackay hears from investigative journalists about the stories of their careers. Martin Dillon explains why he investigated the Shankill Butchers, despite the risks. Show more

Neil Mackay speaks to Bob Long about the story of his career, a two-year investigation covering the work of Scotland Yard's paedophile unit. Show more

Neil Mackay hears why Jake Adelstein decided to write about about a scandal involving Japanese organised crime and the FBI despite the risks to him and his family. Show more

Donal McIntyre talks to investigative journalist Shelley Jofre about how she exposed the hidden truths behind the so-called wonder drug Seroxat. Show more

Neil Mackay hears how John Pilger brought the horrors of the Cambodian killing fields to the world's attention, and how years later he is still haunted by those images. Show more

Startling stories from behind the headlines. Neil Mackay hears from investigative journalists about the biggest stories of their careers and what drives them to pursue a scoop. Show more

Neil Mackay hears from investigative journalists about the stories of their careers. He talks to Sue Lloyd Roberts about her investigations in Burma. Show more

Donal MacIntyre speaks to investigative journalists about the stories of their careers. Neil MacKay explains how he exposed the IRA double agent codenamed Stakeknife. Show more

Donal McIntyre talks to Adam Holloway about his time spent living rough on the streets of London to publicise the true horror of Britain's homelessness.

Donal MacIntyre hears from Heather Brooke, the investigative journalist whose unwavering tenacity to scoop the story on MPs' expenses changed the political landscape of the UK. Show more