There is a new layer of horror to Chris's story – and in trying to understand it, Basia investigates the evidence that Chris was killed on purpose. The team figures out how to get to South Sudan – and how to finally meet the essay-writer.

All episodes of Pig Iron are now available for free. Tortoise members and Tortoise+ subscribers on Apple Podcasts can listen to the entire series, ad-free and get access to bonus content, coming soon. Just subscribe to Tortoise+ on Apple Podcasts or join Tortoise as a member, where you will also get access to more of our investigations, and invites to exclusive events. Go to tortoisemedia.com/pigiron and enter the code Basia50 for half price membership.

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