This feature documentary from Channel 4 in conjunction with HBO investigates the controversial extremist Jihadi John. The film tells the story of Mohammed Emwazi's journey from an ordinary London boy to radicalisation and notoriety as 'Jihadi John', one of the most brutal proponents of the twisted ideology of Islamic State of Iraq and the Levant (ISIS). Exploring the shattered lives of Emwazi's hostages, and the emotional and psychological turmoil of the family members whose relatives were barbarically murdered by a previously ordinary British citizen, this film also how he was hunted by CIA, Pentagon and British intelligence. In extraordinary first-hand accounts, intelligence operatives reflect on their failures in the fight against Isis, and challenge the twisted worldview of 'Jihadi millennials' who have turned social media into recruitment platforms. The Hunt for Jihadi John - Monday at 9.00pm on Channel 4.