Blas Radi y Alejandra Sardá-Chandiramani present the conceptual outlines of one of the most serious forms of violence perpetrated against those people who were assigned to the male gender at birth and identify with a different gender are required. The document was made at the Observatorio de Género en la Justicia in order to contribute to the identification, registration and quantification of these crimes. The original version of this article (in Spanish) was published in 2016 in the Bulletin of the Gender Watch of the Judiciary of Buenos Aires.