Celebrity chef vanishes without a trace in unsolved case | Under Investigation with Liz Hayes 

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Willi Koeppen was Australia’s first celebrity chef and a star of radio and television. He ran one of the country’s most successful restaurants, the Cuckoo, until he vanished without a trace in 1976. A panel of experts piece together Willi's final hours, in one of Victoria’s most baffling mysteries.
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For over forty years, 60 Minutes have been telling Australians the world’s greatest stories. Tales that changed history, our nation and our lives. Reporters Liz Hayes, Tom Steinfort, Tara Brown, Nick McKenzie and Amelia Adams look past the headlines because there is always a bigger picture. Sundays are for 60 Minutes.
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