For more than six months, The Intercept’s Trevor Aaronson communicated with Russell Dennison, an American man who traveled to Syria and joined the Islamic State. This week on Intercepted: Aaronson, an investigative reporter, discusses American ISIS, the newest Audible Original podcast documentary from The Intercept and Topic Studios, in which he chronicles the story of Russell Dennison, one of the first American citizens to join ISIS and fight with the group in Syria. Almost daily, Dennison communicated with Aaronson, sending him hours of audio chronicling his conversion to Islam, his turn to extremism, and his journey to Syria. Aaronson talks with Intercept reporter Murtaza Hussain about his reporting and what he learned from Dennison.   See acast.com/privacy for privacy and opt-out information.