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 days left in his term, President Humala said that there was insufficient time to evaluate a second request to pardon Fujimori, leaving the decision to his successor Pedro Pablo Kuczynski. On 24 December 2017, President Kuczynski pardoned him on health grounds. Kuczynski's office stated that the hospitalized 79-year-old Fujimori had a "progressive, degenerative and incurable disease". The pardon kicked off at least two days of protests and led at least three congressmen to resign from Kucyznski's party. A spokesman for Popular Force alleged there was a pact that, in exchange for the pardon, Popular Force members helped Kuczynski fight ongoing