An Islamic State militant, who is believed to have a North American accent. Photo: REUTERS / FBI
Graeme Wood is a contributing editor for The Atlantic magazine and a Edward R Murrow Fellow at the Council of Foreign Relations in the US.
He recently wrote an article explaining the rise and rise of ISIS.
He talks to Noelle about this end-of-days religious movement and explains just what it wants, what it stands for and what the future holds for it.