Slipknot bass player died of drug overdose

Slipknot bassist Paul Gray died of an "accidental overdose of morphine"

The Urbandale cops have released the toxicology results and final autopsy report, which show the 38-year-old rock star had morphine in his system when he was found in his hotel room in Iowa on May 24th.

In the report, the Polk County Medical Examiner's Office also noted the presence of significant heart disease.

As was previously reported, the person who discovered Gray's body told the 911 operator that there were drugs everywhere.