New York City Police have arrested Sophia Haley Marks, 20, on suspicion of overdose death of Robert De Niro’s 19-year-old grandson.

Marks was arrested at 6 p.m. Thursday as part of a sting operation by the New York City Police Department, Drug Enforcement Administration, and the Department of Homeland Security. An alleged drug dealer known as “Princess Percocet” is believed to have sold the fentanyl-laced drug that led to the death of Leandro De Niro Rodriguez, the report said. new york post. Leandro was found in his apartment in the financial district on July 2, with a white powdery substance and drug paraphernalia found near his body, the newspaper said.

Investigators continued to search Marks’ home on Thursday, and the federal government charged him with drug distribution charges. The newspaper said she will be arraigned in Manhattan federal court on Friday.

Leandro’s mother, Drena De Niro, claimed on social media shortly after her son’s death that the dealer deliberately sold the contaminated drugs that killed her son.

“Somebody sold him a pill with fentanyl. I knew it and still sold him,” she posted on Instagram. “So for everyone who is still playing around selling and buying this shit, my son is gone forever.” (Related: Robert De Niro Becomes a Dad Again at 79)

The city’s coroner has not yet released an official cause of death for Leandro, the newspaper said.

Leandro was buried Saturday at the Frank E. Campbell Funeral Chapel on the Upper East Side, which had previously held funerals for legendary entertainers such as Heath Ledger and John Lennon, according to the newspaper.