Five people were arrested Thursday on charges stemming from the 2023 overdose deaths of Robert De Niro's grandson and Chris Stein's daughter, law enforcement sources told ABC News. Sofia Marks, known as the Percocet Princess, was charged in 2023 with selling the drugs that caused the death of De Niro’s grandson, Leandro De Niro-Rodriguez, that year. The five new defendants -- Grant McIver, Bruce Epperson, Eddie Barreto, John Nicolas and Roy Nicolas -- were allegedly members of a criminal network that distributed thousands of counterfeit prescription opioid pills laced with fentanyl, among other drugs, to teenagers and young adults living in New York City, prosecutors said. According to the indictment, the fentanyl pills distributed by the defendants caused the deaths of three 19-year-olds,

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