Black market participants do not trust each other and defraud each other. Then they settle the differences via violence. Likewise, bribe economy has an element

Black market participants do not trust each other and defraud each other. Then they settle the differences via violence. Likewise, bribe economy has an element of "they took the bribe and did nothing". > Then there's the whole thing about criminal organizations that typically rely on social cohesion and upholding all kinds of rules. Those rules are broken constantly and have to be reinforced via force constantly. The members of actual criminal organizations do not trust each other. They take the risk of betrayal very seriously. Including by pre-emptively killing own friends to protect themselves.