In this letter to the Governor of Province of Santa Fe, Argentina, Amnesty International’s expresses concern at the death of Sandra Cabrera, a mother of two minors, a sex worker and Secretary General of the Asociación de Mujeres Meretrices de Argentina (AMMAR) Association of Women Prostitutes of Argentina, in January. Information from various sources indicates that these threats were directly related to her continuing work in defence of the human rights of the female sex workers of Rosario.