10 Brutal Rules of the Mafia — How the Underworld Thinks About Power

The American Mafia of the 1920s operated by a set of rules most people never see. These principles governed who rose to power and who disappeared without a trace. They were never written down, but every man at the table understood them. What makes these rules worth understanding is that they were never really about crime. They were about human nature, leverage, and the cold mathematics of influence. Some of them are still in play today, whether you notice or not.