In 1949 the notorious Nazi doctor Josef Mengele, known as the \u201cAngel of Death\u201d fled to South America. Three decades later, US lawyer Gerald Posner set out to track him down. What followed was a remarkable tale of dogged persistence and lucky breakthroughs, as Posner\u2019s search brought him face to face with Nazi operatives and members of Mengele\u2019s family. Matt Elton caught up with Gerald to find out more about his hunt for the notorious fugitive.\n\nThe HistoryExtra podcast is produced by the team behind BBC History Magazine and BBC History Revealed.\nLearn more about your ad choices. Visit podcastchoices.com/adchoices