...and by organized crime, we must include business and politics. When doing business in other countries, especially the more corrupt, a local "fixer", aka consultant, will help you navigate the landscape. They ensure the right palms are greased.
Even straightlaced companies get stuck with it. Could be as simple as a bid-bond getting "lost".
Could be ensuring your staff have the correct security arrangements, like paying local gangs enough to get word to leave your people alone.
It takes on many flavours, depending on context. Sometimes they are part of a country's public service, or intelligence agency.
...and if planes didn't need to refuel at their destinations.