"Intelligence and law enforcement agencies can combat terrorism more effectively if they understand how terrorists learn and adapt, according to a RAND Corporation study issued today. Such understanding can enable authorities to assess terrorist threat levels more accurately and design and implement effective counterterrorist strategies — especially in allocating resources against terrorists — according to the report."
Volume 1: Organizational Learning in Terrorist Groups and Its Implications for Combating Terrorism
PDF - http://www.rand.org/pubs/monographs/2005/RAND_MG331.pdf
Volume 2: Case Studies of Organizational Learning in Five Terrorist Groups
PDF - http://www.rand.org/pubs/monographs/2005/RAND_MG332.pdf