'He sounded like a completely different human being.'

Available for over a year

Omar believes killing "disbelievers" is beautiful. His friends no longer recognise him. In this New York Festivals Gold Trophy Winning documentary, Newsnight’s Secunder Kermani follows the journey of a former supermarket security guard now fighting with ISIS in Syria. Secunder also meets the devastated family and friends of Britain's young jihadis here in the UK and explores the Government's continued efforts to tackle the problem. First broadcast in ISIS: Young, British and Radicalised, Radio 1 and 1Xtra Stories, 20/03/16