Jean-Luc Marret is a writer and researcher, a specialist in violence and radicalisation. He has published numerous academic and literary works. He has lived in several countries, especially the USA. He is a frequent contributor for the French and international media. He is the author Guerre totale (L’Editeur, 2012), Histoires de djihad (Editions des Equateurs, 2014), Techniques du terrorisme (Presses Universitaires de France, 2^e édition, 2002).