GREENVILLE, Oct. 29 -- whether federal authorities have finished examining the drugs involved.

Panettiere, known for Heroes and Nashville, died on August 16 at 36. Emergency responders attempted life-saving measures before she was pronounced dead, according to the police report described by national news outlets. Wednesday's statement concerns the conclusion of the department's investigation, rather than the discovery of a new cause of death.

The distinction separates two developments that occurred 36 days apart. The Greenville County Coroner's Office issued its accidental-death finding on September 22. Police continued investigating afterward and have now announced their own closure, citing both the medical determination and their inve...