This dissertation analyzes the movements of mothers and family members of victims of lethal State violence in Rio de Janeiro in their interaction with the State responsible for the violation. Based on a theoretical approach that mobilizes urban anthropology, public safety and sociology researchers who specifically study gender violence and movements of mothers victims of State violence, such as Adriana Vianna and Juliana Farias, articulating them with the theories of Judith Butler and Donna Haraway about processes of embodiment, the work is based on the testimonies of mothers and family members gathered from interviews and focus groups. The dissertation proposes the struggle of these movements for Memory, Truth, Justice and Reparation as a sphere of production of solidarity networks that, collectively, by publicly exposing themselves, claim the sphere of appearance and the grievability for their executed relatives, producing the claim that their lives are worthy of recognition and protection. At the same time, the research defends the ambivalence of the relationship between mothers and family members and the State, which can be, at the same time, an environment of violence and support, and understand that these movements, in their specific and gendered demands to the The State, even though they mobilize norms and representations that are structurally selective, reconfigure this space of representation. The work concludes, then, that these movements carry out important disputes and displacements in the State arena, which is not a homogeneous arena, but an arena that is also performatively formed and susceptible to critical reformulations.