Understanding the role of sub-state entities in countering transnational terrorism : the case of transnational police cooperation practices

This dissertation is an analysis of the role of sub-state entities in countering transnational terrorism especially in the aftermath of the 9/11 attacks, which emerged as an alternative option to the traditional security understanding basically shaped by nation states. Emerging practices and roles of sub-state entities in countering terrorism has been investigated to understand both their roles in the counterterrorrism field and their influence on nation states. Examination of a plethora of existing and newly emerging sub-state practices reveals that such entities have been taking growing roles in the counter-terrorism field, which were previously believed to belong solely to nation states and their relevant international instruments. More importantly, this dissertation proposes that nation states are also trying to adapt themselves to this new emerging counter-terrorism environment enriched by substate entities. In that regard, emerging new cooperative police initiatives present valuable examples.