The return of ISIS Despite being displaced from their strongholds, ISIS continues to carry out attacks in Iraq, Syria, Africa and elsewhere Islamic State • 18 Feb 20
The dilemmas around Islamic State's foreign fighters going home The return of foreign fighters to Europe raises legal, security, social and moral issues Terrorism • 27 Feb 19
Jihadist terrorists have long had Spain in their sights A toxic combination of history politics and social tension makes Spain fertile ground for extremist recruitment Barcelona attacks • 25 Sep 17