Hayden Panettiere Died of an Accidental Five-Drug Overdose

The Greenville County Coroner’s Office ruled Hayden Panettiere’s cause of death an accident from five drugs, including fentanyl, on September 22. The Heroes and Nashville actress was 36. She had been found unresponsive on August 16 inside a temporary stay at Judson Mill Lofts.

The list on the certificate is longer than the headline that followed it, and it closes a year she had spent putting the same fight on paper.

Greenville’s Coroner Names Five Drugs

The office identified the dead woman as Hayden Leslie Panettiere, 36, of California. A board-certified forensic pathologist did the autopsy and found no trauma that would have added to the death. The manner is accident.

The cause of death has been ruled as toxic effects of fentanyl, 4-ANPP, Alprazolam, Methocarbamol, and Quetiapine. The manner of death has been ruled accident.

Greenville County Coroner’s Office, September 22 statement

Fentanyl is a synthetic opioid used for pain in hospitals and, far more often now, a street powder pressed into fake pills. Alprazolam is the generic of Xanax, a benzodiazepine prescribed for anxiety and panic. Methocarbamol is a muscle relaxant for short-term aches. Quetiapine is an antipsychotic used for depression, bipolar disorder, and schizophrenia.

THE FIVE SUBSTANCES NAMED

Dr. Kendall Von Crowns, chief medical examiner in Tarrant County, Texas, was not on this case. He told interviewers the same mix turns up in other morgues because every drug on the list slows breathing.

All these drugs result in respiratory depression, which means it makes your brain not realize that it’s not getting enough oxygen. You go into a coma and eventually die from anoxic brain damage.

Dr. Kendall Von Crowns, chief medical examiner, Tarrant County, Texas

He called fentanyl plus the other four “a deathly mixture that we see often in cases,” and said alprazolam and methocarbamol can kill at high enough levels even without the opioid.

What 4-ANPP Tells a Coroner About Fentanyl

4-ANPP, also called despropionylfentanyl, is the line that pulls this death off a pharmacy shelf. A 2026 forensic study describes it as a precursor in illicit fentanyl production and a minor metabolite often found next to fentanyl in postmortem blood. Crowns said it is “a marker for a fentanyl that was not created in a pharmaceutical lab,” while adding that it can also appear as a metabolite, so the blood result alone is not a confession.

Kevin Shanks, a forensic toxicologist at Axis Forensic Toxicology, has made the same split. 4-ANPP is not used to make pharmaceutical-grade fentanyl. In blood or urine it only marks fentanyl exposure. Origin is settled, if at all, by what is sitting on the table.

Investigators in Greenville had that kind of evidence. The coroner’s report, reviewed by the Associated Press, describes blue pressed pills and a straw on a table that later tested positive for fentanyl, and a white powder in a sunglasses case inside her suitcase. One of the men in the apartment said he did not know she had used illegal drugs in recent days, but “she was very good at hiding them.”

That is why the word accident and the DEA file can sit in the same week. The certificate describes how she died. It does not name who pressed the tablets.

A Saturday Flight, a Sunday 911 Call

Panettiere had flown from Los Angeles on Saturday, August 15, with Brian Hickerson, her on-and-off partner since 2018. Hickerson is a Greenville native. They were staying at 701 Easley Bridge Road, in lofts built inside an old mill west of downtown. Neighbors later said they never saw her leave the unit.

Her father, Skip Panettiere, told the coroner she had planned to spend her birthday in Greenville and then fly to Ukraine to see her daughter. Her birthday was August 21. She died five days before she would have turned 37.

THE AFTERNOON OF AUGUST 16

1. August 16, 2026, about 1:51 p.m.: A 911 call reports a cardiac arrest at 701 Easley Bridge Road.
2. Same afternoon: First responders find Panettiere in cardiac arrest inside the residence where she had been staying for the weekend.
3. 2:32 p.m.: After advanced cardiac life support fails, she is pronounced dead at the scene.
4. August 17, 2026: A forensic pathologist completes the autopsy and finds no trauma that contributed to the death.
5. August 20, 2026: The U.S. Drug Enforcement Administration joins Greenville police on the case.
6. September 22, 2026: The coroner rules toxic effects of the five named drugs, manner accident.

Greenville police spoke with Hickerson and his brother, Zach Hickerson, at the apartment. Zach told the officer the woman was his brother’s girlfriend. The incident report says Zach was “very emotional” while medics worked, and that Brian did not become emotional until she was declared dead. Brian handed over a “bag of medicine” she was taking; the drug names were blacked out in the public report.

WHAT WAS IN THE ROOM

• The brothers: Brian and Zach Hickerson were both inside and called 911 after they could not wake her.
• Narcan: One of the men gave her two doses; they also did CPR with dispatch on speaker until firefighters and EMS took over.
• The pills: Blue pressed tablets and a straw on a table later tested positive for fentanyl.
• The powder: White powder was found in a sunglasses case packed in her suitcase.

Zach later said he had been at church, came back to the Airbnb, knocked, and woke Brian from a nap on the pull-out couch. When they tried to get her up for lunch, she was unconscious. Police have said the first look at the scene showed no foul play. The manner ruling matches that first read. It does not end the federal questions about the pills.

The Book She Titled a Reckoning

Grand Central Publishing released This Is Me: A Reckoning on May 19, a 320-page memoir she used to take back a story that had been told about her since infancy. That was 89 days before the 911 call. She had also just left a drug rehabilitation facility, the coroner’s report said, weeks before the Greenville trip.

She started in commercials before she could walk, then soaps, then the voice of Dot in Pixar’s A Bug’s Life and a football-mad kid beside Denzel Washington in Remember the Titans. Claire Bennet on Heroes made her famous as a teenager. Juliette Barnes on Nashville kept her there for six seasons, including a stretch when the writers folded her real crises into the character. She came back as Kirby Reed in Scream 4 and Scream VI.

After Kaya was born in December 2014, postpartum depression and alcohol, then pills, took apart the life that camera crews had been filming. She wrote that alcohol “didn’t become my enemy until after Kaya was born.” In 2018 she signed papers giving Wladimir Klitschko, the Ukrainian heavyweight she had dated since 2009, full custody.

I remember every second of that day. Every f—ing second. No mother could forget a single thing about the day she signed her child away.

Hayden Panettiere, This Is Me: A Reckoning

On Jay Shetty’s podcast in May she said she still felt she had “a lot more life to live.” The book ends on “radical acceptance,” a phrase she said she learned in treatment. Hickerson is in those pages too. She had told police in Los Angeles in 2020 that he attacked her; he pleaded no contest to two felony counts of injuring her and served 45 days in jail, plus probation and domestic-violence classes. She flew to his hometown with him anyway.

Kaya Stays With Her Father in Ukraine

Kaya is 11. She has lived with Klitschko since 2018, and Panettiere had said the bond was still “incredibly strong” even when daily life ran on FaceTime. In May she was still visiting Ukraine. The Greenville trip was supposed to precede another of those visits, after a birthday she never reached.

Skip Panettiere announced the death the day it happened. “She was an incredible light and a force of nature who brought immeasurable love and joy to all who knew her, and to the millions who watched her onscreen,” he said.

Klitschko wrote that the family was in “profound shock and grief” and that she had left “far too soon.” He promised their daughter a specific kind of memory.

To our daughter Kaya, I will always speak of her mother with respect and make sure she remembers the person she was.

Wladimir Klitschko, Instagram statement, August 2026

Connie Britton, her Nashville co-star, called her “bursting with brilliance, shining so bright” and wrote, “I love you girl. Sleep easy now.” Jack Coleman, who played her father on Heroes, said she had shouted “daddy” at him on day one of the pilot 20 years earlier and never stopped calling him daddio. He called her Haydini, “because she was a magician.” Viola Davis, who worked with her on the 2016 film Custody, wrote that she had seen “this beautiful Phoenix rising from the ashes.”

Federal Agents Are Still Tracing the Pills

Accident is a coroner’s word about intent. It is not a verdict on a dealer. DEA agents and Los Angeles investigators have been asking whether she obtained illicit, possibly counterfeit pills from a Southern California supplier, and whether she took what was described as counterfeit oxycodone before she died. Fake oxycodone tablets are routinely laced with fentanyl in amounts that can stop a person’s breathing.

Her representative, Kasey Kitchen, said after the ruling that “the investigation remains ongoing and the circumstances surrounding the case are complex,” and asked for patience. Sloan Ellis, Hickerson’s South Carolina lawyer, has said police found no signs of foul play and that he would not comment further while the file is open.

The national numbers around that file are still ugly even after a drop. The National Center for Health Statistics counted 69,973 drug overdose deaths in the United States in 2025, down almost 14% from 81,313 in 2024. Deaths involving opioids fell from an estimated 55,296 to 44,564. Panettiere’s toxicology sits inside that smaller, still lethal count: an opioid that may never have been made in a licensed lab, stacked with a benzodiazepine, a muscle relaxant, and an antipsychotic, in a body just out of rehab.

WHAT WE KNOW

• The medical ruling: Toxic effects of five named drugs, manner accident, no trauma.
• The scene: Unresponsive at Judson Mill Lofts after a 911 call at about 1:51 p.m.; declared dead at 2:32 p.m.
• The pills: Pressed tablets in the apartment tested positive for fentanyl.

WHAT IS UNCONFIRMED

• The supplier: Whether a Southern California dealer sold her counterfeit oxycodone, and who that person is.
• The dose: Blood concentrations have not been released, so the public file does not say how much of each drug was present.
• Her intent that day: Accident means the coroner did not find suicide or homicide; it does not reconstruct what she thought she was swallowing.

On September 19, about 150 friends and co-stars gathered on the California coast for a private memorial. Britton and Charles Esten were there. Hickerson was not. Esten had been on the same mill property in Greenville on August 14, singing at The Foundry two days before the 911 call.

The Greenville certificate now has a cause, a manner, and five chemical names. Agents in Los Angeles are still asking who sold her the pills.

Disclaimer: This article is news reporting on a completed coroner’s ruling and an unfinished criminal inquiry, and it is for information only. It is not medical, addiction-treatment, or legal advice, and it is not a guide to any drug, antidote, or recovery plan. Readers who need help with substance use or mental health should talk with a licensed physician, psychiatrist, or addiction specialist before acting on anything described here. Names, dates, toxicology findings, and investigative status are those published by the coroner, police, and public health agencies as of the sources cited, and they can change if a later report revises the file.