The official cause of death has been confirmed for Hayden Panettiere. The Greenville County Coroner’s Office in South Carolina has determined Panettiere died from the toxic effects of fentanyl, 4-ANPP, Alprazolam, Methocarbamol, and Quetiapine. The manner of death has been ruled accident. The actor, known best for her starring roles on NBC’s Heroes and ABC’s […]