Federal drug agency joins investigation into actress death in South Carolina

The Drug Enforcement Administration has joined the investigation into the death of actress Hayden Panettiere, who died on Sunday at age 36. She was found in cardiac arrest at an apartment in Greenville, South Carolina, after her boyfriend called 911. An autopsy on Monday found no signs of physical injury. Emergency call recordings reportedly mention an overdose. Her boyfriend showed police a bag of medication she had been taking. Toxicology results, which could take several weeks, will show what substances were in her body. Police say there is no evidence of foul play. Panettiere had spoken openly about her struggles with addiction and pain. She had recently published a memoir about her personal difficulties. No official cause of death has been confirmed.