Toxic mix of fentanyl, other drugs killed Hayden Panettiere, coroner says


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Officials in South Carolina said Tuesday that actor Hayden Panettiere’s death was caused by a mixture of fentanyl, antipsychotic and anti-anxiety drugs and muscle relaxants.

The Greenville County Coroner’s Office ruled that Panettiere’s death was an accident, and authorities said there were no signs of trauma.

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Panettiere’s death

Panettiere, who starred in “Heroes” and “Nashville,” was pronounced dead after an acquaintance found her unresponsive in her Greenville apartment. She was 36.

The police department said officers and EMS personnel responded to a 911 call about an unconscious woman around 1:51 p.m. ET on Sunday, Aug. 16. Emergency workers tried to resuscitate the woman, later identified as Panettiere, but she was pronounced dead at the scene.

Panettiere’s boyfriend, Brian Hickerson, and his brother, Zach Hickerson, were at the apartment and called 911. A report states Brian also showed officers a bag containing Panettiere’s medications. 

In the wake of her death, the Greenville Police Department and Drug Enforcement Administration launched investigations into her death. 

What’s next?

With the coroner’s determination, investigators may still look into the days leading up to Pannettiere’s death and investigate where the drugs came from. 

“Once there’s a timeline of what she was doing before her death, it becomes easier to kind of find where that drug distribution took place that killed her,” Bill Bodner, a 32-year veteran of the DEA’s field office in Los Angeles, told NBC.

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Center-rated reporting

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Why this story matters

The death of a well-known actor from fentanyl-related drug toxicity, ruled accidental, reflects ongoing public health and law enforcement conditions surrounding fentanyl in the U.S.

Fentanyl confirmed as cause

The coroner confirmed fentanyl among multiple drugs caused Panettiere's death, consistent with documented patterns of fentanyl-related fatalities affecting people across demographics.

Active federal investigation

The DEA and Greenville Police have open investigations into the drug supply involved, according to the article.

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Center-rated reporting

According to media bias experts at AllSides

AllSides Center-rated reporting May 2026

Transparent and credible

Awarded a perfect reliability rating from NewsGuard

100/100

Welcome back to trustworthy journalism.

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Sources

  1. NBC News

Bias comparison

  • Media outlets on the left foreground Panettiere’s “best friend” Ruby Rose, “poignant” memorials, and possible investigation into a drug supplier, framing the death through grief and public-health context.
  • Media outlets in the center more explicitly highlights the autopsy’s finding of no contributing trauma and uses “tragic” while stressing coroner attribution.
  • Media outlets on the right emphasize that officials resolved speculation, spotlighting an “accidental fentanyl overdose” and emotionally charged phrases such as “heartbreaking” and “shock overdose.”

Media landscape

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418 total sources

Key points from the Left

  • The Greenville County Coroner’s Office ruled that Hayden Panettiere’s death was accidental and caused by the toxic effects of fentanyl and other drugs.
  • Panettiere, 36, was found unresponsive at a South Carolina apartment complex on Aug. 16 after authorities received a cardiac-arrest report.
  • The Greenville Police Department said the initial investigation found no signs of foul play or suspicious circumstances.
  • Panettiere was known for her roles in “Heroes,” “Nashville,” “Scream 4,” and “Scream VI,” and had discussed addiction and postpartum depression in her memoir.

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Key points from the Center

  • On Tuesday, the Greenville County Coroner's Office confirmed that actor Hayden Panettiere's death resulted from the toxic effects of fentanyl, 4-ANPP, Alprazolam, Methocarbamol, and Quetiapine. The manner of death was officially ruled an accident.
  • Panettiere, 36, died on Aug 16 at a South Carolina apartment complex when Greenville police officers responded to a report of an unresponsive female at around 1:50 p.m. Local time. An acquaintance had placed the 911 call.
  • Toxicology results identified the toxic effects of fentanyl, 4-ANPP, Alprazolam, Methocarbamol, and Quetiapine as the cause of death. An autopsy discovered no signs of trauma that would have contributed to her passing.
  • Greenville Police Department investigators found no signs of foul play, though the Drug Enforcement Administration is also investigating. Brian Hickerson, Panettiere's on-again, off-again boyfriend, was present at the apartment and showed authorities a bag of medication.
  • Known for starring as Claire Bennet on NBC's "Heroes" and Juliette Barnes on "Nashville," Panettiere detailed her struggles with addiction and postpartum depression in her memoir "This Is Me: A Reckoning." She is survived by her daughter, Kaya.

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Key points from the Right

  • Hayden Panettiere died at age 36 from the toxic effects of fentanyl and several other substances, according to the Greenville County Coroner’s Office.
  • The coroner’s office ruled the manner of death an accident and said that no trauma contributed to it.
  • Panettiere was found in cardiac arrest at an apartment in Greenville, South Carolina, on August 16, and emergency responders could not revive her.
  • Her boyfriend, Brian Hickerson, and his brother Zach called 911, and Brian later gave police a bag containing her medications.

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Sources

  1. NBC News