[8][9] After the war, Monteiro moved to the United Kingdom, where he worked for a butcher whose daughter he married[4] and had a son; although he abandoned his family after the Carnation Revolution when he lost the protection of the Portuguese government and was forced to flee Portugal to avoid prosecution and extradition to India.
[7] In the 1950s, Monteiro joined the Portuguese Colonial Police in Goa, where he interrogated Goan liberation movement activists.
[10] After Goa's annexation by the Indian Army in 1961, Monteiro was recruited by the Polícia Internacional e de Defesa do Estado (PIDE), the dreaded Portuguese Secret Service.
[15] Monteiro, who had shot Delgado and strangled his secretary, was found guilty by the Spanish courts and was sentenced to 19 years in absentia.
[7][1] He returned to Portugal, but after the 1974 Carnation Revolution, which overthrew the Estado Novo, Monteiro took refuge in the South African Embassy.