Despite retiring, Chumpitaz continued being a public figure, and, on December 3, 2004, he was found guilty and sentenced to four years of suspended sentence (probation), for allegedly accepting US$30,000 from presidential advisor and right-hand man Vladimiro Montesinos, supposedly after joining former minister Juan Carlos Hurtado in latter's quest to become mayor of Lima in 1998, during Alberto Fujimori's presidency.
In 1998 the government purchased three new MiG-29 fighter planes from Russia, for which it paid USD $300 million, although observers say the true cost of the planes is only around $100 million.
Vladimiro Montesinos | Antonio de Montesinos | (Vladimiro) Ariel Dorfman | Montesinos | Antonio de Montesinos (Dominican friar) |
During Alberto Fujimori/Vladimiro Montesinos' administration some (if not all) of these newspapers were controlled through coercion or bribes in order to highlight Fujimori's regime and destroy the reputation and good name of political enemies of the regime.
He was also known for being the associate of Brazilian drug dealer Fernandinho Beiramar and for participating in an illegal arms deal of 10,000 AK-47s for the FARC through the Peruvian government official Vladimiro Montesinos, an adviser of former president of Peru, Alberto Fujimori.