While the Mafia controlled building construction (effectively destroying large historical districts) and vast sectors of the economy (the meat trade, for example) and developed a successful heroin trade, the pizzo (extortion through "protection money") remained a cornerstone of its system for generating revenue, day-by-day, year after year. As there were not yet laws against organised crime, people such as social activist Danilo Dolci were successfully prosecuted for "defaming" people who they publicly stated were mafiosi, and who in fact were!
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