Mac Miller Death Ruled an<br /> Accidental Overdose On Monday, the Los Angeles County Coroner’s Office revealed the overdose was from a mix of fentanyl, cocaine and ethanol. Born Malcolm James McCormick, <br />the 26-year-old rapper was found <br />dead in his home on Sep. 7. When authorities arrived at the scene, <br />the rapper was unresponsive and couldn’t be revived. Miller suffered from <br />substance abuse issues, with one incident involving an arrest for a DUI and hit and run in May. His final album, 'Swimming,' was <br />released on Aug. 3 and would have been <br />followed by a tour that <br />was set for October. Ariana Grande, Miller’s ex-girlfriend, addressed his untimely death in her latest single, “thank u, next.” Ariana Grade, <br />"thank u, next" His family held a benefit concert, A Celebration of Life, in his honor on Oct. 31. Proceeds from the concert will go the <br />The Mac Miller Circles Fund, which aims to help youth from underserved communities.