Alberto Fujimori against Fujimori in August 2001. Fujimori was alleged to be a co-author, along with Vladimiro Montesinos, of the death-squad killings at Barrios Altos in 1991 and La Cantuta in 1992. At the behest of Peruvian authorities, Interpol issued an arrest order for Fujimori on charges that included murder, kidnapping, and crimes against humanity. Meanwhile, the Peruvian government found that Japan was not amenable to the extradition of Fujimori; a protracted diplomatic debate ensued, when Japan showed itself unwilling to accede to the extradition request. Fujimori had been granted Japanese citizenship after his arrival in the country, and the Japanese government
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