A disputed arbitration verdict inside the mafia triggered its first all-out war

Evidence

The commissione gathered at the end of 1962 to “try” them. Manzella and others wanted to clear them, but apparently Greco, Mancino, and La Barbera disagreed. This split triggered the first all-out mafia war. — Diego Gambetta, The Sicilian Mafia The Business of…, 637

Categorization

• XREF: Directly instantiates Gambetta’s point that the mafia’s own disputes, when arbitration fails, escalate to violence — the private judge system breaking down. Also connects to Milgrom’s claim that the arbitration forum must have sufficient standing to be credible.