Watch Carta a una sombra (2015) : Full Movie Online Free In August 1987, Héctor Abad Gómez was murdered on the streets of downtown Medellín during the darkest moments of the dirty war against the Colombian left. Why was he killed? Who could have had a vested interest in silencing a university professor, human rights activist and doctor who was a precursor of the concept of "public health" in Colombia?