Rufino arrives in Rio de Janeiro between the last months of 1835 and the first days of 1836, one year after the great Muslim slave rebellion in Salvador. As a result, African Muslims became a main targets of police authorities in Rio de Janeiro, for some of the rebels had been sold, if slaves, or migrated, if freedpersons, to the capital of the Brazilian empire. Throughout the 1830s there were rumors and fear of slave rebellions. Marronage in the suburbs, slave flights, and resistance were rampant. The city and its hinterland were under heavy police surveillance. West Africans, like Rufino, were closely watched.