When a suicide occurs in a prison environment, the debate on the sharing of responsibilities lies on four levels that are not always explicit: the societal level, in general, the institutional level, the level of caregivers working in these institutions and, lastly, the level of the incarcerated individuals themselves, either being suicidal or being the peer of a suicidal person. We are all called upon at these different levels and, beyond the placing guilt that may result, our awareness of the situation should rather bring us to take action, consistently and proactively, in the various spheres in which we may have some influence.