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.Listen to the full series today. For the premium Tortoise listening experience, curated by our journalists, download the free Tortoise audio app. For early and ad-free access to all our investigative series and daily and weekly shows, subscribe to Tortoise+ on Apple Podcasts.If you’d like to further support slow journalism and help us build a different kind of newsroom, do consider donating to Tortoise at tortoisemedia.com/support-us. Your contributions allow us to investigate, campaign and explore, and to build a newsroom that is responsible and sustainable. Hosted on Acast. See acast.com/privacy for more information.