Cause of death of RFK's granddaughter Saoirse Kennedy Hill revealed

Saoirse Kennedy Hill, the granddaughter of Robert F. Kennedy, died of an accidental drug overdose. Yahoo Entertainment confirmed with Cape and Islands District Attorney’s Office in Massachusetts on Friday that the investigation into the 22-year-old’s Aug. 1 death concluded that she died of “acute methadone and ethanol toxicity in combination with other prescription medications.”