The article analyzes the problem of responsibility regarding the 60`s and 70´s political experiences in Argentina and considering a series of memorial interventions of ex- militant actors and linked to No matar debate. Specifically, we propose three approaches to the problem which can be summarized as: a) a responsibility as a political-moral fault; b) a responsibility as a political-militant balance, and c) a reflective or bearing responsibility. To do so, we question the different ways in which responsibility has been assumed, and, extensively, who, from what and before whom they are responsible for.El artículo analiza el problema de la responsabilidad de las experiencias políticas de los años sesenta y setenta en Argentina a partir de un...