mafia 用英语:

Mafia is a type of criminal organisation.

The life od a journalist can be in danger for example when he writes stoies about the mafia.

The Mafia uses legitimate business operations as a front.

The trial lawyers couldn't get past the Mafia leader's stonewalling tactics.

Drug money and Mafia money are often blood money.

In Germany, the Italian mafia is an underestimated problem.