On 11 September 1973, General Augusto Pinochet deposed Chile's President Salvador Allende in a military coup.
Thousands of people were tortured and killed in the months after the coup, including the folk singer Victor Jara. His widow, Joan Jara, spoke to Gideon Long in 2013.
(Photo: Victor Jara. Credit: Gems/Redferns via Getty Images)