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Lethal Connections: The Determinants of Network Connections in the Provisional Irish Republican Army, 1970-1998

Gill, P; Lee, J; Rethemeyer, K; Horgan, J; Asal, V; (2014) Lethal Connections: The Determinants of Network Connections in the Provisional Irish Republican Army, 1970-1998. International Interactions: Empirical and Theoretical Research in International Relations , 40 (1) 52 - 78. 10.1080/03050629.2013.863190. Green open access

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Abstract

Using stochastic methods we illustrate that the Provisional Irish Republican Army's (PIRA) network is clustered along three primary dimensions: (a) brigade affiliation, (b) whether the member participated in violent activities, and (c) task/role within PIRA. While most brigades tended to foster connections within the brigade (that is, “closure”), the tendency to do so varied across the organization. Members who engaged with violent activities were far more likely to connect with each other; in later periods there is polarization into those who engage in violent activities and those who do not. Across brigades, those who engage in a particular task and role (improvised explosive device [IED] constructor, IED planter, gunman, robber/kidnapper/drug smuggler/hijacker) are more likely to connect with others who do the same task or play the same role than with other members who fulfill other roles. Standard forms of homophily (that is, the tendency to make connections with people who are similar in terms of demography or status) play a very weak role in explaining which members interact with one another. Finally, our analysis illustrates clear patterns of relational change that correspond to changes in the formal structures that PIRA's leadership promoted.

Type: Article
Title: Lethal Connections: The Determinants of Network Connections in the Provisional Irish Republican Army, 1970-1998
Open access status: An open access version is available from UCL Discovery
DOI: 10.1080/03050629.2013.863190
Publisher version: http://www.tandfonline.com/doi/abs/10.1080/0305062...
Additional information: © Paul Gill, Jeongyoon Lee, Karl R. Rethemeyer, John Horgan, and Victor Asal This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The moral rights of the named author(s) have been asserted.
Keywords: conflict; network analysis; terrorism
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Security and Crime Science
URI: https://discovery.ucl.ac.uk/id/eprint/1360090
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