Pills laced with fentanyl killed Leandro De Niro-Rodriguez, Robert De Niro's grandson, mother says

Leandro De Niro-Rodriguez, and actor and the grandson of Robert De Niro, died on Sunday after being sold pills laced with fentanyl, said his mother, Drena De Niro. De Niro-Rodriguez, who appeared with his mother in the 2018 films "A Star Is Born" and "Cabaret Maxime," was 19 years old.

Drena De Niro and her father, Robert De Niro, announced De Niro-Rodriguez's death on Monday. A cause was not provided. 

De Niro-Rodriguez's mother later replied to an Instagram user who, in the comments section of an Instagram post she shared in the wake of his death, asked, "OMG, why? How?"