This film is the culmination of a 4 month investigation into why so many young French people have left France to take part in jihad in Syria.
How were they persuaded to leave their homes for a barbaric war thousands of miles away? These extremists are tech savvy and use blockbuster style propaganda films to lure fighters as young as 16 to join their ranks.
We speak directly to some who have left to find out what their daily lives were like among the ranks of Al Qaeda and ISIS. Who are these newly converted fundamentalists and what threat do they pose to Europe?
Almost all of the terrorists from the 13th November attacks were French or Belgian, ranging between 20 and 31 years of age. How could these young men have injured 500 people and murdered 130 innocent victims in cold blood?
More info
Why are Europeans, children of immigrants like Coulibaly or the Kouachis brothers, attacking their countries of birth?
More info
In the space of a few days in March 2012, Mohamed Merah, guns down seven people. We speak to officials involved in the case and people who knew him throughout his life, and reveal a version of events that often contradicts the official story.
More info