The group continues to operate as an underground insurgent movement and carried out several mass casualty attacks worldwide last year.
When ISIS claimed responsibility for the London Bridge stabbing attack, they did it using a little-known Russian messaging app.
"The loyalty of these affiliates is towards the group and the idea, not the individual."
What the ISIS leader's first video in five years really tells us.
Thousands of Iraqis, collateral victims of the war on the terrorist group, have found themselves left with war deafness that goes untreated.
Here you can listen to the rap tracks he made before fighting for ISIS.
ISIS banned the sport for three years, but now the city is liberated young people are using it to kick-start a cultural revolution.
At the EU's law enforcement agency, a team of 30 spend their days trawling through gruesome videos, in a bid to have extremist propaganda taken offline.
Our special investigation unmasking the British far-right.
The story of Robert Daw and Rae Lewis-Ayling, who travelled to Iraq to help build the utopian Rojava, but ended up in prison for 40 days.
"My mum’s hair and skin was all over the wall. We’ve cleaned it off now, but when we come back here I remember what happened and I think of our family."
Most ex-residents are pleased at the expulsion of the Islamic State from their former home, but can't help fearing for the future under outside forces.