Chloe makes a startling discovery about another chemical trafficker that has consequences for her investigation. A Kurdish survivor of mustard gas shares her story. To find out more about Tortoise: Download the Tortoise app - for a listening experience curated by our journalists Subscribe to Tortoise+ on Apple Podcasts for early access and ad-free content Become a member and get access to all of Tortoise's premium audio offerings and more If you want to get in touch with us directly about a story, or tell us more about the stories you want to hear about contact [email protected] Reporter: Chloe Hadjimatheou  Producer: Claudia Williams Editor: Jasper Corbett Narrative editor: Gary Marshall Sound design: Hannah Varrall Original theme music: Tom Kinsella Original artwork: Jon Hill Hosted on Acast. See acast.com/privacy for more information.