International audienceGOAL 1- to present a multidisciplinary and evidenced-based picture and understanding of violent extremism, building on a variety of fields; First the main domains at play such as psychology (psychopathology, clinical treatment, etc.), social psychology (identity issues, collective grievance, intergroup relations, etc., criminology (risk factors, assessment, RNR treatment and other models, etc.), and social sciences (wider context, prison sociology, ideology, etc.); but also, and this is more original in collections such as this, law, comparative law, and religious studies.GOAL 2- To analyse how and how much, modern forms of terrorism contrast with previous eras, which we situate, in the French context, around the Merah...