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, 2e édition, 2002).