Answer:
private action.
Explanation:
In business, private action refers to activities that is not subjected to direct monitoring/control from the government. In most cases, private action has a huge chance of violating the law.
The example above depicted private action perfectly.
Mafia often work behind the curtain and make a lot of threats to the people if they do not comfort to their way. They often utilized illegal method to achieve their goals (such as violence or threats_) and often able to work under the legal authority's radar.