The Salvadoran Civil War (Spanish: guerra civil de El Salvador) was a twelve year period of civil war in El Salvador which was fought between the government of El Salvador and the Farabundo Martí National Liberation Front (FMLN), a coalition or "umbrella organization" of left-wing groups. A coup on 15 October 1979 followed by government killings of anti-coup protesters is widely seen as the start of civil war. The war did not formally end until 16 January 1992 with the signing of the Chapultepec Peace Accords in Mexico City.The United Nations (UN) reports that the war killed more than 75,000 people between 1979 and 1992, along with approximately 8,000 disappeared persons. Violations of the most basic human rights – particularly the kidnapping, torture, and murder of suspected FMLN sympathizers by state security forces and paramilitary death squads – were pervasive.The Salvadoran government was considered an ally of the U.S. in the context of the Cold War. During the Carter and Reagan administrations, the US provided 1 to 2 million dollars per day in economic aid to the Salvadoran government. The US also provided significant training and equipment to the military. By May 1983, it was reported that US military officers were working within the Salvadoran High Command and making important strategic and tactical decisions.Counterinsurgency tactics implemented by the Salvadoran government often targeted civilian noncombatants. Overall, the United Nations estimated that FMLN guerrillas were responsible for 5 percent of atrocities committed during the civil war, while 85 percent were committed by the Salvadoran security forces. Accountability for these civil war-era atrocities has been hindered by a 1993 amnesty law. However, in 2016 the El Salvador Supreme Court ruled that the law was unconstitutional and that the Salvadoran government could prosecute suspected war criminals.