Starting with the definition of incasables (unplaceables) in specialist literature, the author will focus on the drive sources of the violent and asocial behaviors of these youths living on the margins of the medico-social system. The article combines metapsychological reflection about trauma with a clinical case that illustrates in a particular way the pitfalls of a life strewn with obstacles and shows the hopes as well as the limits of outpatient psychotherapeutic work.

Adolescence, 2021, 39, 2, 267-282.