When a man was found dead on a South Australia beach in 1948, it kicked off one of the most bizarre cases that country’s authorities had ever seen. With no identification and all the labels cut out of his clothing, police did find a torn piece of paper with two mysterious words. The words led to an unbreakable code in the back of the book. Had he committed suicide or was it murder? Why had no one come forward to identify him? That was just the beginning of what would become one of Australia’s strangest cold cases.

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