Federal agents executed a search warrant at Hayden Panettiere's Los Angeles home on August 25, 2026, nine days after she was found dead in Greenville, South Carolina, on August 16. The DEA sought evidence of potential illicit narcotics; dispatch audio mentioned a possible overdose and cardiac arrest, Narcan was found at the residence, and the coroner reported no physical trauma. Records released in October show Zach Hickerson told investigators he gave two doses of nasal Narcan and started CPR before EMS arrived, with 911 audio capturing a dispatcher walking him through it. Paramedics ran ACLS about 30 minutes; an ultrasound showed no cardiac activity and she was pronounced dead at 14:32. The DEA has joined the investigation and interviewed Brian…