Dont remember the source but back in the days someone posted an information that Sarno allegedly kicked up to DiFronzo. Maybe it was some joint operation between EP and Cicero and DiFronzo took his cut, or maybe Sarno simply followed protocol and kicked up to his boss.

Mongol General: Conan, what is best in life?

Conan: To crush your enemies, see them driven before you, and to hear the lamentations of their women.