Evan Ratliff, a co-host of the Longform Podcast, discusses"The Mastermind,” his new 7-part serialized story in The Atavist Magazine. “On several occasions [sources] didn’t want to go into the details of how they were identified. They were just like, ‘My safety is in your hands. Just be careful.’ And I didn’t really know what to do with that. I was sort of trying to balance what to include and what not to include and trying to make these decisions. Will Paul Le Roux know it’s this person? It’s impossible to know. I tried to err on the side of caution, but there’s no ethics hotline you can call and be like, ‘What do I do in this situation?’”   Thanks to our friends at MailChimpfor making today's episode possible. Learn more about your ad choices. Visit podcastchoices.com/adchoices