An autopsy should have been performed to properly determine the cause of Spencer Irwin's death, as the medical examiner's initial refusal prevented crucial investigation.

“But one thing is clear as day, and that's that Spencer's cause of death is not clear. And there absolutely should have been an autopsy to determine how Spencer Irwin died.”

An autopsy is a vital examination performed after death to determine its cause and circumstances for medical and legal purposes.

“an autopsy is an examination of the body after death and it's carried out in order to get as much information as possible about the cause and the circumstances of that death”