SERIESMOVIESNEW & LAST CHANCESCHEDULEFREE EPISODESMoreDocumentariesSpecialsSportsPodcastsMaxSIGN INSIGN UP FORSERIESMOVIESNEW & LAST CHANCESCHEDULEFREE EPISODESMoreDocumentariesSpecialsSportsPodcastsMaxSIGN INSIGN UP FORmax-styleUnmasking Jihadi John: Anatomy of a Terrorist TV-14 | documentaries | 1 HR 37 MIN | 2019 WATCH NOWMAXWatch on HBOA tense documentary that follows the evolution of the notorious ISIS extremist known as "Jihadi John."