Days after Hayden Panettiere died, the federal Drug Enforcement Administration joined the investigation into her death. By DERRICK BRYSON TAYLOR Hayden Panettiere died from a toxic mixture of the powerful opioid fentanyl, antipsychotic and antianxiety drugs, and muscle relaxants, the Greenville County Coroner’s Office said Tuesday, adding that her death was ruled an accident. An autopsy showed no signs of trauma that would have contributed to the actor’s death, the coroner’s statement said….
