Cory Monteith's cause of death confirmed by coroner Fri-04-Oct-13 11:24 Share this By Jay-Jay FeeneyThe coroner's report on CORY MONTEITH came out yesterday, and confirmed that Cory died of a mix of alcohol and drugs.He had a blood-alcohol content of .13%, (the driving limit is .08%) and heroin was found in his system.In the hotel where Cory died, police found two empty champagne bottles and several glasses . . . plus a used hypodermic needle and a spoon with drug residue on it. You May Also Like Lady Gaga’s drug addiction Glee says goodbye to Finn Lea Michele: 'There was no greater man than Cory' Become a fan of The Edge on Facebook and on Twitter .