RICHARD JACKSONnbsp;is Professornbsp;of International Politics, Aberystwyth University, UK.nbsp;He is the founding editor ofnbsp;the journalnbsp; Critical Studies on Terrorism. nbsp; LEE JARVIS is a Lecturer in Politics and International Relations, Swansea University, UK. JEROEN GUNNING is a Reader in Middle Eastnbsp;Politics and Conflict Studies, Durham University, UK.nbsp;He was founder andnbsp;deputy director of the Centre for the Study of 'Radicalisation'nbsp; and Contemporary Political Violence (CSRV) at Aberyswyth University from 2005-2010. nbsp; MARIE BREEN SMITH is Professor in International Politics, University of Surrey, UK. She was founder and deputy director of the Centre for… the Study of 'Radicalisation' and Contemporary Political Violence (CSRV) at Aberyswyth University from 2005-2010.