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After an autopsy, it was determined that Cory Monteith died from a mixture of heroin and alcohol.

After the coroner made the announcement yesterday, Cory's girlfriend Lea Michele released a statement through her reps.

PEOPLE MAGAZINE obtained the exclusive statement:

"Lea is deeply grateful for all the love and support she’s received from family, friends, and fans. Since Cory’s passing, Lea has been grieving alongside his family and making appropriate arrangements with them.

They are supporting each other as they endure this profound loss together. We continue to ask the media to respect the privacy of Lea and Cory’s family.”