Once described by the FBI as a drug kingpin, Martorano has an empire that is small, but he plans to grow it into a chain of 12 shops down the East Coast from Staten Island to Fort Lauderdale. He currently employs five millennials -- none with an Italian last name, he quipped -- within the 600-square-foot retail space just off South Street. The building, on the 600 block of South Seventh Street, is owned by his sister and brother-in-law, records show.