He was running the mob's biggest casinos.

Stardust. Fremont. Hacienda.

Skimming $50 million a year.

He was also FBI informant "Achilles."

Top Echelon.

For 25 years Frank "Lefty" Rosenthal played both sides.

He fed the Outfit...

and he dismantled it.

The car bomb in 1982 didn't kill him.

The truth did. 20 years after he died.

This is the real story of Lefty.