This article corresponds to the introduction of the special issue of AbyaYala, where the authors try to share their reflections on the challenges and possibilities of building epistemic and political bridges, between social anthropology and forensic science. Based on their own collaborative research experiences with groups of relatives of the disappeared in Mexico, they reflect on the methodological strategies and theoretical perspectives that they have developed as members of the Research Group on Forensic and Social Anthropology (GIASF).