 Many inhabitants joined the Italian diaspora to escape the extreme poverty.San Luca is considered to be the stronghold of the 'Ndrangheta, a Mafia-type criminal organisation based in Calabria.According to a former " 'ndranghetista", "almost all the male inhabitants belong to the 'Ndrangheta, and the Sanctuary of Our Lady of Polsi has long been the meeting place of the affiliates, known as the Crimine."