An investigation into Hayden Panettiere's death is underway. Drug Enforcement Administration agents are involved in the probe, working alongside local investigators. They have questioned several people to gather more information about the circumstances surrounding her death.

The investigation is focusing on illegal pills that may have been involved. Further details about the probe are available from the source.

The source reports that authorities have spoken to multiple individuals as part of their inquiry into the death of Hayden Panettiere.