DEA joins investigation into Hayden Panettiere's death

This story originally appeared on Them . The Drug Enforcement Administration, a federal agency, has joined the investigation into the August 16 death of actress Hayden Panettiere , a source familiar with the matter told The New York Times on Wednesday. As previously reported, Panettiere died at 36 years old in a Greenville, South Carolina apartment where she had been staying temporarily on Sunday.…