Status Updates From Codes of the Underworld: Ho...

Groups whose members have transgressions to hide from public view and whose members share knowledge of these transgressions with each other will enjoy a comparative advantage in their ability to support their internal cohesion. Some groups may in fact be built on, rather than preexist, the exchange of compromising information.

We also run an intelligence service, so that domestic servants can give us inside information which will help us to rob their employers. In return, we give these informants a share of the proceeds from the burglary, because it is only right and proper that we treat them with honesty.”