His business is narcotics. He has fields in Turkey where they grow the poppy and in Sicily he has the plants to process them into heroin.
12 seconds sound clip from the The Godfather (1972) movie soundboard.
You can hear this line at 00:34:46 in the Blu-ray version of the movie.
Quote context
[...]
- You're not too tired are you, Tom?
- I have the Sollozzo notes here.
- Now Sollozzo is known as The Turk.
- Now, he needs cash and he needs protection from the police for which he gives a piece of the action.
- I couldn't find out how much.
- The Tattaglia family is behind him here in New York.
- Now, they have to be in it for something.
- What about his prison record?
- Two terms, one in Italy, one here.
[...]