In the second of our series of Mail+ podumentaries which take you behind the headlines of the Daily Mail’s most dramatic stories, presenter Amelia Hemphill talks to Tom Kelly, the Daily Mail's Investigations Editor about his terrifying journey to meet a notorious organ trafficker who convinces corrupt surgeons to help him sell healthy human kidneys to rich Westerners in need of a transplant. Posing as a customer, Tom risked everything to meet the shadowy 'Prem' in a guest house in Nepal... but would his cover be blown?

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