Signs featuring detained and missing people reading 'Where are they?' are placed at Jose Domingo Canas memorial house, a former detention, torture and forced disappearance quarters of the secret police of the Augusto Pinochet dictatorship, as Chile approaches the 50th anniversary of the coup d'etat that brought Pinochet to power, in Santiago, Chile, August 16, 2023. REUTERS/Ivan Alvarado

Signs featuring detained and missing people and reading 'Truth and Justice' are placed at Jose Domingo Canas memorial house, a former detention, torture and forced disappearance quarters of the secret police of the Augusto Pinochet dictatorship, as Chile approaches the 50th anniversary of the coup d'etat that brought Pinochet to power, in Santiago, Chile, August 16, 2023. REUTERS/Ivan Alvarado TPX IMAGES OF THE DAY

Volunteers hold still as human rights activists draw their silhouettes during an event in memory of detained and missing people at Jose Domingo Canas memorial house, a former detention, torture and forced disappearance quarters of the secret police of the Augusto Pinochet dictatorship, as Chile approaches the 50th anniversary of the coup d'etat that brought Pinochet to power, in Santiago, Chile, August 16, 2023. REUTERS/Ivan Alvarado

A human silhouette is places among signs featuring detained and missing people at Jose Domingo Canas memorial house, a former detention, torture and forced disappearance quarters of the secret police of the Augusto Pinochet dictatorship, ahead of the 50th anniversary of the coup d'etat, in Santiago, Chile, August 30, 2023. REUTERS/Ivan Alvarado

A graffiti is seen at Jose Domingo Canas memorial house, a former detention, torture and forced disappearance quarters of the secret police of the Augusto Pinochet dictatorship, as Chile approaches the 50th anniversary of the coup d'etat that brought Pinochet to power, in Santiago, Chile, August 16, 2023. REUTERS/Ivan Alvarado

A man wears T-shirt reading 'Tortured number 24.215, Torturer Vallejos' in front of La Moneda government palace as supporters gather in front of a memorial of former Chilean President Salvador Allende during the 53rd anniversary of his election, ahead of the 50th anniversary of the coup d'etat, in Santiago, Chile, September 4, 2023. REUTERS/Ivan Alvarado

Volunteers hold still as a human rights activist draws their silhouettes during an event in memory of detained and missing people at Jose Domingo Canas memorial house, a former detention, torture and forced disappearance quarters of the secret police of the Augusto Pinochet dictatorship, as Chile approaches the 50th anniversary of the coup d'etat that brought Pinochet to power, in Santiago, Chile, August 16, 2023. REUTERS/Ivan Alvarado

Residents visit the historical monument known as 'El Hoyo' (The hole), a former quarter of the secret police of Augusto Pinochet's dictatorship, located in the lower level of the Plaza de la Constitución, at La Moneda government palace area, as it opens for visitors, ahead of the 50th anniversary of the coup d'etat, in Santiago, Chile, August 25, 2023. REUTERS/Ivan Alvarado

A man walks down the stairs in Londres 38 memorial house, a former detention and torture quarter of the secret police of the Augusto Pinochet dictatorship, as it opens for visitors, ahead of 50th anniversary of the coup d'etat, in Santiago, Chile, August 17, 2023. REUTERS/Ivan Alvarado

Supporters leave flowers at the memorial of former Chilean President Salvador Allende during the 53rd anniversary of his election, ahead of the 50th anniversary of the coup d'etat, in Santiago, Chile, September 4, 2023. REUTERS/Ivan Alvarado

Volunteers hold still as a human rights activist (not pictured) draws their silhouettes during an event in memory of detained and missing people at Jose Domingo Canas memorial house, a former detention, torture and forced disappearance quarters of the secret police of the Augusto Pinochet dictatorship, as Chile approaches the 50th anniversary of the coup d'etat that brought Pinochet to power, in Santiago, Chile, August 16, 2023. REUTERS/Ivan Alvarado

A view shows a sign featuring a detained and missing person at Londres 38 memorial house, a former detention and torture quarter of the secret police of the Augusto Pinochet dictatorship, as it opens for visitors, ahead of 50th anniversary of the coup d'etat, in Santiago, Chile, August 17, 2023. REUTERS/Ivan Alvarado

A volunteer holds still as a human rights activist draws his silhouette during an event in memory of detained and missing people at Jose Domingo Canas memorial house, a former detention, torture and forced disappearance quarters of the secret police of the Augusto Pinochet dictatorship, as Chile approaches the 50th anniversary of the coup d'etat that brought Pinochet to power, in Santiago, Chile, August 16, 2023. REUTERS/Ivan Alvarado