And if do you beat them? Always someone else waiting in the wings to provide this high profit service.
No mob, of any kind or nationality, can exist without a corrupt government to feed off of. Mobs are government symbiotes - if you don't take away the corrupt host, they always return, because they're the other half. Mobs are the main way government workers get kickbacks for their positions in government (because both the "legal" and "illegal" mobs are, in fact, identical).
Governments do two things, protect the mobs, and "crack down" on mob customers, thus increasing the number of laws agains the populus. So for the mob and the government, it's win-win. The only time a mob boss gets in trouble, is when he cheats the wrong government agency. And the only time the government gets in trouble, is when they let the mobs get out of control and the people revolt.
It never ends well.