This is part two of Eric O'Neill's story. O'Neill was an FBI agent who went undercover to catch a suspected spy in the bureau: Robert Hanssen. If you haven't signed up for our newsletter yet, go to https://foreignpolicy.com/ispynewsletter/. Each week we'll send you bonus content you won't find anywhere else, including photos, illustrations, and expanded show notes—for free. See acast.com/privacy for privacy and opt-out information.