– Cory Monteith's autopsy is in, and his cause of death is what everybody expected: Hard drugs and booze. The coroner in British Columbia lays the blame on "mixed drug toxicity, involving heroin and alcohol," reports TMZ. The 31-year-old Glee actor was found in his Vancouver hotel room over the weekend, and he has a long history of trying to get his substance abuse under control. The results "seem to confirm this was an accident," reports ET Online.