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42 Negot. J. 1 (2026)

handle is hein.journals/nejo42 and id is 1 raw text is: 




                In Theory




 Negotiating Peace with Pro-Government

    Militias?: Human Rights Violations,

       International Pressure, and the

       Case of the Self-Defense Forces

                of  Colombia (AUC)


                   Andrew Thomson





    This article theorizes when and whygovernments nego-
    tiate peace with pro-government  militias (PGMs) or
    pro-state paramilitary groups. I argue that negotia-
    tions with PGMs  are more likely to occur when PGM
    activities become costly and when domestic and inter-
    national pressure to account for PGM violence mounts
    on both sides. While governments support (even if tac-
    itly) PGMs for short-term advantages in counterinsur-
    gency, PGMs   often pursue their own  agendas  and
    can end up harming  state interests, resulting in a shift
    from support to curtailing PGM  activity. I build this
    argument   drawing  on  examples from   around  the
    world  and   providing  initial evidence from   the
    Colombian  government's  negotiated agreements with


*Corresponding author: a.f.thomson@qub.ac.uk
Andrew Thomson is Senior Lecturer in Peace and Conflict Studies at the School of History,
Anthropology, Philosophy and Politics, Queen's University Belfast.
10.1162/NGTN.a.55
© 2026 Presidents and Fellows of Harvard College. Published under a Creative Commons Attribution 4.0 International (CC
BY 4.0) license.
                                    Negotiation journal lbolunie 42 2026 1