This article was downloaded by:[Hairgrove, Frank] On: 8 May 2008 Access Details: [subscription number 792214779] Publisher: Taylor & Francis Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered office: Mortimer House, 37-41 Mortimer Street, London W1T 3JH, UK Studies in Conflict & Terrorism Publication details, including instructions for authors and subscription information: http://www.informaworld.com/smpp/title~content=t713742821 Circles Drawing Toward High Risk Activism: The Use of Usroh and Halaqa in Islamist Radical Movements Frank Hairgrove a ; Douglas M. Mcleod a a School of Journalism and Mass Communication, University of Wisconsin—Madison, Madison, Wisconsin, USA Online Publication Date: 01 May 2008 To cite this Article: Hairgrove, Frank and Mcleod, Douglas M. (2008) 'Circles Drawing Toward High Risk Activism: The Use of Usroh and Halaqa in Islamist Radical Movements', Studies in Conflict & Terrorism, 31:5, 399 — 411 To link to this article: DOI: 10.1080/10576100801995201 URL: http://dx.doi.org/10.1080/10576100801995201 PLEASE SCROLL DOWN FOR ARTICLE Full terms and conditions of use: http://www.informaworld.com/terms-and-conditions-of-access.pdf This article maybe used for research, teaching and private study purposes. Any substantial or systematic reproduction, re-distribution, re-selling, loan or sub-licensing, systematic supply or distribution in any form to anyone is expressly forbidden. The publisher does not give any warranty express or implied or make any representation that the contents will be complete or accurate or up to date. The accuracy of any instructions, formulae and drug doses should be independently verified with primary sources. The publisher shall not be liable for any loss, actions, claims, proceedings, demand or costs or damages whatsoever or howsoever caused arising directly or indirectly in connection with or arising out of the use of this material.