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 maintained that Japanese citizens would not be extradited. In September 2003, Congressman Dora Dávila, joined by Minister of Health Luis Soari, denounced Fujimori and several of his ministers for crimes against humanity, for allegedly having overseen forced sterilizations during his regime. In November, Congress approved an investigation of Fujimori's involvement in the airdrop of Kalashnikov rifles into the Colombian jungle in 1999 and 2000 for guerrillas of the Revolutionary Armed Forces of Colombia (FARC). Fujimori maintained he had no knowledge of the arms-trading, and blamed Montesinos. By approving the charges, Congress lifted the immunity granted to Fujimori as a former