In July 1999, a 33-year old Alaskan tourist named Robert Bogucki dumped his bicycle on the side of a remote desert track in Western Australia, and walked barefoot into the Great Sandy Desert. 43 days later, he was found - emaciated but alive. The new ABC podcast Nowhere Man recounts the thrilling story, tracking down Robert Bogucki to understand why he deliberately walked into this deadly wilderness, triggering a massive search operation and a media circus.

• Guest: Erin Parke, journalist and producer of Expanse: Nowhere Man