Aaron Carter‘s ex-fiancé has said that the autopsy report into the singer’s death has not given her “closure”.The pop artist was found unresponsive at his house in Lancaster, California last November, and was subsequently pronounced dead after paramedics reached the scene. He was 34 years old.On Tuesday (April 18), a document shared by the Los Angeles County Department of Medical Examiner-Coroner confirmed that Carter’s primary cause of death was drowning.Secondary causes of death listed were the effects of alprazolam, a generic form of Xanax, and inhaling difluoroethane, also known widely as huffing.