During the past sixteen years, since the 'Trafficking Protocol' entered into force in 2003, a dramatic escalation of research, writing, debating, and practice in the realm of human trafficking and modern slavery has occurred. While human trafficking and modern slavery belong to two distinct genealogies (Allain, 2018;Lazzarino, 2015;O'Connell Davidson, 2017), they are nonetheless frequently used as synonyms to refer to an ample array of conditions of human-to-human exploitation and dependency. Significantly, around these two terminologies, complex local, national, and international apparatuses have evolved. These apparatuses -devoted to identifying, preventing, and ultimately eliminating exploitation -involve experts, stakeholders, and social actors. As a re-elaboration and reflection on the contributions to an international symposium on human trafficking , this article makes two consecutive steps in modern slavery studies.The international symposium "Victims of human trafficking: a multidisciplinary problematization of a category" 1 was held at the University College London on June 7 th 2017. The event was organized by Dr Runa Lazzarino and supported by the Institute of Advanced Studies of UCL. More details of the symposium can be accessed here. Full programme still available here. This article mostly builds on those talks for which the speakers have kindly shared their conference drafts. These are, in alphabetical order: