Two years after the death of Robert De Niro 's 19-year-old grandson, Leandro Anthony De Niro-Rodriguez , the family is still searching for answers ... now authorities have made 5 more arrests in the case, TMZ has learned.

Leandro was found dead on July 2, 2023 from what was reportedly determined to be an accidental drug overdose. According to People , a DEA official told the outlet the suspects taken into custody in New York are being charged with death resulting from the sale of narcotics.

The 5 men were charged with conspiracy to distribute controlled substances resulting in death, NBC 4 New York reports.

A sixth person -- a woman identified as Sofia H. Marks -- had been arrested just weeks after the tragic death, facing accusations she sold drugs to the young man.

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