Robert De Niro’s Grandson Died From , Fentanyl-Laced Pills, Mother Claims.br Robert De Niro’s Grandson Died From , Fentanyl-Laced Pills, Mother Claims.br On July 3, Drena De Niro announced that her son, , Leandro Anthony De Niro-Rodriguez, , had died at the age of 19.br At the time, Drena, alongside her father, actor br Robert De Niro, did not share the cause of death.br At the time, Drena, alongside her father, actor br Robert De Niro, did not share the cause of death.br However, NBC reports that Drena later br revealed her son's cause of death br in a reply posted to Instagram.br Someone sold him fentanyl laced br pills that they knew were laced br yet still sold them to him, Drena De Niro, via Instagram.br So for all these people still br f------ around selling and buying br this s---, my son is gone forever, Drena De Niro, via Instagram.br NBC reports that a spokesperson for the New York Police br Department said that a 911 call was received br on July 2 at approximately 2:23 p.m. local time.br NBC reports that a spokesperson for the New York Police br Department said that a 911 call was received br on July 2 at approximately 2:23 p.m. local time.br When officers arrived at the location, a male “was found unconscious, unresponsive and was pronounced deceased” by Emergency Medical Services.br I’m deeply distressed by the passingbr of my beloved grandson Leo. br We’re greatly appreciative of br the condolences from everyone. , Robert De Niro, via NBC.