"Now I know where my brother is!" she said, sitting with a black-and-white photo of their parents: Graciela Alicia Romero and Raul Eugenio Metz, left-wing activists snatched by authorities in December 1976. Romero was 24 years old, mother to a 1-year-old daughter, and five months pregnant at the time, according to the Grandmothers.