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plural caporegimes
A high-ranking member of a crime family in the Mafia who heads a "crew" of soldiers and has significant social status and influence in the organization. quotations examples
And so usually a trusted caporegime would be sent out to rent a secret apartment and fill it with mattresses. That apartment would be used as a sally port into the city when an offensive was mounted.
1969, Mario Puzo, The Godfather, page 104