Former Chilean dictator General Augusto Pinochet is arrested in London on a warrant from Spain requesting his extradition on murder charges.

General Augusto Pinochet was indicted for human rights violations committed in his native Chile by Spanish magistrate Baltasar Garzn on 10 October 1998. He was arrested in London six days later and held on house arrest for a year and a half before being released by the British government in March 2000. Authorised to return to Chile, Pinochet was subsequently indicted by judge Juan Guzmn Tapia and charged with several crimes. He died on 10 December 2006 without having been convicted. His arrest in London made the front pages of newspapers worldwide; not only did it involve the head of the military dictatorship that ruled Chile between 1973 and 1990, it marked the first time judges had applied the principle of universal jurisdiction, declaring themselves competent to judge crimes committed in a country by former heads of state, despite the existence of local amnesty laws.

Pinochet led a 11 September 1973 coup which deposed Socialist President Salvador Allende. His 17-year regime was responsible for numerous human rights violations, some of which were committed as part of Operation Condor, an illegal effort to suppress political opponents in Chile and abroad in coordination with foreign intelligence agencies. Pinochet was also accused of using his position to pursue personal enrichment through embezzlement of government funds, the illegal drug trade and illegal arms trade. The Rettig Report found that at least 2,279 people were conclusively murdered by the Chilean government for political reasons during Pinochet's regime, and the Valech Report found that at least 30,000 people were tortured by the government for political reasons.

Pinochet's attorneys, headed by Pablo Rodrguez Grez (former leader of the far-right group Fatherland and Liberty), argued that he was entitled to immunity from prosecution first as a former head of state, then under the 1978 amnesty law passed by the military junta. They also claimed that his alleged poor health made him unfit to stand trial. A succession of judgments by various Courts of Appeal, the Supreme Court, medical experts, etc., led to Pinochet's subsequent house arrest and release, before he died on 10 December 2006, just after having been again put under house arrest on 28 November 2006 in the Caravan of Death case.At the time of his death in 2006, Pinochet had been implicated in over 300 criminal charges for numerous human rights violations, including the Caravan of Death case (case closed in July 2002 by the Supreme Court of Chile, but re-opened in 2007 following new medical advice), Carlos Prats's assassination (case closed on 1 April 2005), Operation Condor (case closed on 17 June 2005), Operation Colombo, the Villa Grimaldi, Carmelo Soria, Calle Conferencia, Antonio Llid and Eugenio Berrios cases, tax evasion and passport forgery.

Chile, officially the Republic of Chile, is a country in the western part of South America. It occupies a long, narrow strip of land between the Andes to the east and the Pacific Ocean to the west. Chile covers an area of 756,096 square kilometers (291,930 sq mi), with a population of 17.5 million as of 2017. Chile is the southernmost country in the world, the closest to Antarctica, and share land borders with Peru to the north, Bolivia to the north-east, Argentina to the east, and the Drake Passage in the far south. Chile also controls the Pacific islands of Juan Fernández, Isla Salas y Gómez, Desventuradas, and Easter Island in Oceania. It also claims about 1,250,000 square kilometers (480,000 sq mi) of Antarctica under the Chilean Antarctic Territory. The country's capital and largest city is Santiago, and its national language is Spanish.

Spain conquered and colonized the region in the mid-16th century, replacing Inca rule, but failing to conquer the independent Mapuche who inhabited what is now south-central Chile. In 1818, after declaring independence from Spain, Chile emerged in the 1830s as a relatively stable authoritarian republic. In the 19th century, Chile saw significant economic and territorial growth, ending Mapuche resistance in the 1880s and gaining its current northern territory in the War of the Pacific (1879–83) after defeating Peru and Bolivia. In the 20th century up to the 1970s Chile saw a process of democratization, rapid population growth and urbanization and increasing reliance on exports from copper mining for its economy. During the 1960s and 1970s, the country experienced severe left-right political polarization and turmoil. This development culminated with the 1973 Chilean coup d'état that overthrew Salvador Allende's democratically elected left-wing government and instituted a 16-year right-wing military dictatorship of Augusto Pinochet that left more than 3,000 people dead or missing. The regime ended in 1990 after a referendum in 1988 and was succeeded by a center-left coalition which ruled until 2010.

Chile is a developing country with a high-income economy and ranks 43rd in the Human Development Index. It is among the most economically and socially stable nations in South America, leading Latin America in rankings of competitiveness, per capita income, globalization, state of peace, economic freedom, and low perception of corruption. Chile also ranks high regionally in sustainability of the state, democratic development, and has the lowest homicide rate in the Americas after Canada. It is a founding member of the United Nations, the Community of Latin American and Caribbean States (CELAC) and the Pacific Alliance, and joined the OECD in 2010.