Lifestyle | Slipknot 'Accidental' OD Killed Slipknot Bassist Coroner blames morphine for Paul Gray's death By Rob Quinn Posted Jun 22, 2010 3:40 AM CDT Copied Brenna Gray speaks about the death of her husband, Slipknot bassist Paul Gray during a news conference, Tuesday, May 25, 2010, in Des Moines, Iowa. (AP Photo/Charlie Neibergall) An "accidental" overdose of morphine and the painkiller fentanyl caused the death of Slipknot bassist Paul Gray last month, according to autopsy results. The coroner says the 38-year-old also suffered from "significant heart disease," Reuters reports. Investigators found no evidence that Gray had prescriptions for either the morphine or the fentanyl. Read These Next Melinda French Gates reacts to her ex showing up in new Epstein files. Sarah Ferguson said she cut off Epstein. Not quite, emails show. Turning Point reveals lineup for its alternative halftime show. Trump signs bill to end the latest government shutdown. Report an error