The death of actress Hayden Panettiere is being investigated with the help of the Drug Enforcement Administration. Panettiere, who was 36 years old, had spoken publicly about her struggles with addiction and depression. She had also written about her difficulties in her memoirs and spoken about the loss of her brother.

The investigation into her death is being led by the police in Greenville, where she was found in an apartment. Further details about the investigation are available from sources such as the New York Times and ABC News, which have reported on the matter citing familiar sources.

More information can be found through these sources, which have been in contact with the DEA and Panettiere's representatives.