Alberto Fujimori was used by Fujimori and his supporters to bolster his image as tough on terrorism. Several organizations criticized Fujimori's methods against the Shining Path and the MRTA. Amnesty International said "the widespread and systematic nature of human rights violations committed during the government of former head of state Albert Fujimori (1990–2000) in Peru constitute crimes against humanity under international law." Fujimori's alleged association with death squads is currently being studied by the Inter-American Court of Human Rights, after the court accepted the case of "Cantuta vs Perú". The 1991 Barrios Altos massacre by members of the death squad "Grupo Colina",
Alberto Fujimori where he submitted his presidential resignation via fax. Congress refused to accept his resignation, instead voting 62–9 to remove Fujimori from office on the grounds that he was "permanently morally disabled." On 19 November, government ministers presented their resignations en bloc. Because Fujimori's first vice president, Francisco Tudela, had broken with Fujimori and resigned a few days earlier, his successor Ricardo Márquez came to claim the presidency. Congress, however, refused to recognize him, as he was an ardent Fujimori loyalist; Márquez resigned two days later. Paniagua was next in line, and became interim president to oversee the April elections. When