MINNEAPOLIS (WCCO) — The former singer for the Stone Temple Pilots died accidentally from a mix of cocaine, alcohol and MDA, according to the Hennepin County Medical Examiner.

Other contributing factors in the death of Scott Weiland, the medical examiner said, were cardiovascular disease, a history of asthma, and chemical dependence.

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The singer was found dead outside a hotel near the Mall of America late the night of Dec. 3, and one of his bandmates was later arrested. Cocaine was found in his Weiland’s tour bus.

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Weiland was best known as the lead singer and a founding member of the popular grunge rock band Stone Temple Pilots, but also toured with the Wildabouts and performed in the hard rock supergroup Velvet Revolver.

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The band had a show scheduled in Rochester the day after Weiland’s death.