HBO MAXSERIESMOVIESNEW & LAST CHANCESCHEDULEFREE EPISODESMoreDocumentariesSpecialsSportsPodcastsSIGN INGET HBOMAXHBO MAXSERIESMOVIESNEW & LAST CHANCESCHEDULEFREE EPISODESMoreDocumentariesSpecialsSportsPodcastsSIGN INGET HBOMAXSIGN INStream all of HBO plus more TV, movies, and Max Originals at no additional cost.SIGN INHBO MaxUnmasking Jihadi John: Anatomy of a Terrorist TV-14 | original | 1 HR 39 MIN | 2019 WATCH NOWHBO MaxWatch on HBOA tense and compelling documentary that follows the dramatic hunt for notorious extremist terrorist Mohammed Emwazi, known to the world as "Jihadi John."