Mafiosi publicly boasted about suppressing kidnapings.

Evidence

The two men immediately reported their good deed. It was not out of the ordinary, according to Calderone, that Riccobono and Mangano should inform the other mafiosi of what they had done. “The freeing of a kidnaped woman was indeed an act one could boast about within the Cosa Nostra” (AC: II, 492-493). — Diego Gambetta, The Sicilian Mafia The Business of…, 458

Categorization

• XREF: This boasting-as-reputation-signaling directly tracks the reputational-enforcement mechanisms in the reader’s Milgrom and Ellickson materials — acts of protection circulate as costly signals within the group.
• SEED: Angle: how protective-violence is paraded (not hidden) inside the mafia — status in these firms is earned by killing kidnapers, the inverse of ordinary crime secrecy.