In June 1989, two Canadians David Spencer and Christine Lamont joined the kidnap-gang. They used their Canadian passports and contacts to rent a number of apartments in preparation for the next victim, the principal shareholder of Brazil's largest supermarket chain, Abilio Diniz. In December 1989 Diniz was dragged out of his Mercedes-Benz as he was on his way to work and then bundled into a station wagon disguised as an ambulance. At the safe-house, he was kept in a small underground cell and subjected to loud music to break his will. While the family of Diniz was negotiating payment of a $5 million ransom, the police stormed the house in São Paulo where he was held. This was based on a tip from a neighbor who complained that the music coming from the building was too loud. In fact, it was being used to break his will, but Diniz had requested it be turned up higher, which ultimately saved him. Diniz was freed and ten people were arrested. The police arrested five Chileans, two Argentines, a Brazilian, along with the two Canadians Spencer and Lamont. Chilean police were later able to confirm that three of the Chileans are members of the Movement of the Revolutionary Left:
