‘Violent extremism’ is rarely defined: neither the United Nations nor the European Union has an official definition. USAID defines it as “advocating, engaging in, preparing, or otherwise supporting ideologically motivated or justified violence to further social, economic or political objectives”. However, this apparently simple and obvious statement conceals a great deal of controversy and uncertainty. Is violent extremism, by definition, something carried out by non-state actors? In conflict situations, how can we differentiate viol
