Carmen Bueno was known for being in movies such as The Battle of Chile,[14][15] A la sombra del sol, and was production assistant on the documentary El primer año.
[16] Bueno and Müller, who were both Revolutionary Left Movement (MIR) activists, were interrogated and tortured at Villa Grimaldi before they "disappeared" on 29 November 1974,[11][17][18] in a prison detention camp, after they were seized and forced into a car by agents who were working for the Dirección de Inteligencia Nacional (DINA), an agency modeled after the Nazi Gestapo.
Prior to this, Bueno and Müller had attended a party with the cast and crew of another film that had opened the night before at a place called Cine Las Condes.
[21][dead link] Müller's mother has written about her son and Bueno's disappearance in a book called Tapestries of Hope, Threads of Love: The Arpillera Movement in Chile.
[23][dead link] Spanish music videos posted on YouTube and websites have been made to honor Bueno that shows her life events and her kidnapping as well.