Entertainment Music Mac Miller Died of Accidental Overdose of Fentanyl, Cocaine and Alcohol: Coroner Mac Miller was found dead in his Studio City, California, home on Sept. 7 By Karen Mizoguchi and Sarah Michaud Sarah Michaud Instagram Sarah Michaud is the senior news editor of PEOPLE's music vertical. She has been with the brand for close to 15 years, holding various roles across the digital news team before focusing on music. In 2021, Sarah won the CMA media achievement award for her coverage of country music. She earned a bachelor's degree in sociology, social work and English and resides outside of Boston. People Editorial Guidelines Published on November 5, 2018 11:05 AM Share Tweet Pin Email Mac Miller‘s cause of death has been revealed. The 26-year-old rapper — who was found dead in his Studio City, California, home on Sept. 7 — died of an accidental overdose of fentanyl, cocaine and alcohol, PEOPLE confirmed. The Los Angeles County Department of Medical Examiner-Coroner ruled in a statement released Monday that Miller’s death was accidental and due to mixed drug toxicity. The autopsy was completed three days after the star’s death and his body was released to his family, according to Los Angeles County coroner’s spokeswoman Sarah Ardalani. The McCormick family have since buried Miller in their hometown of Pittsburgh. The coroner’s report reveals Miller was discovered on his bed, “kneeling with his face resting on his knees” by his personal assistant. After calling 911, the assistant moved Miller to the floor, where he performed CPR until emergency services arrived and pronounced the rapper dead. The assistant later told authorities that Miller “struggles with sobriety and when he ‘slips’ he consumes them in excess,” adding that the musician had had “several recent ‘slips,'” the most recent being three days prior to his death. All About Fentanyl, the Drug That Killed Mac Miller, Prince and Tom Petty — and Is Sweeping the U.S. Jamie McCarthy/Getty A source previously told PEOPLE Miller, born Malcolm James McCormick, had gone into cardiac arrest after appearing to suffer a drug overdose. At the time, PEOPLE confirmed that paramedics never transported him to a hospital, and he had already died before he was found unresponsive and could not be revived. Miller’s home was reportedly “swept clean” so that there would be no evidence of drug use, according to TMZ, which also reported that only a small amount of white powder was found in Miller’s home when police searched for clues as to how he died. Carl Timpone/BFA/REX/Shutterstock Mac Miller Remembered by Travis Scott, John Mayer and More During Celebration of Life Concert At the time, an insider told PEOPLE that Miller, who just dropped his fifth and final studio album Swimming on Aug. 3, spent the evening before his death watching football with friends. Miller’s casual night with friends seemed so benign, “that’s why this is such a shock,” the insider said. “Everyone who he worked with was aware that he was delicate, but thought it was because of the new album, nerves, nothing like this.” During his lifetime, the rapper was open about his battle with substance abuse. In a 2016 short documentary by music magazine The Fader, Miller explained how he came to rely so heavily on codeine-based cough syrup mixed with soda. “It started by me just sitting inside all day and then it’s like, then you get bored. Then you’re like, ‘Well I could just be high, and I could have a whole adventure in this room,’ ” the “Self Care” rapper began. “I’m always like, if someone’s like, ‘You wanna try this?’ I’m like, ‘Yeah sure.’ It f—s you up when you have a bunch of money because you try a drug, you like it, then you can buy a lot of it. I went through about everything.” Mac Miller’s Will Reveals He Left His Entire Estate to His Parents Miller was arrested for DUI in May, less than a week after his split from ex Ariana Grande was made public, but the Los Angeles city attorney confirmed the charges would be dropped in the case. Christopher Polk Last week, Mac Miller‘s legacy and music career were honored at his celebration of life concert benefitting the newly formed The Mac Miller Circles Fund. The star was remembered by many of his famous friends and former collaborators including Action Bronson, Anderson.Paak, Chance the Rapper, Dylan Reynolds, Domo Genesis, Earl Sweatshirt, J.I.D, John Mayer, Miguel, Njomza, ScHoolboy Q, SZA, Thundercat, Travis Scott, Ty Dolla $ign and Vince Staples.