Brittany Murphy Autopsy Complete, Less than 36 hours after Brittany Murphy’s death County Coroners have completed the autopsy on her body, however the determination of cause of death will be deferred, pending the rest of the other tests and it could take eight weeks. A famous website claimed that excessive use of medicines caused the death of Murphy, whereas police reject the claim of website. Different type medicines were found in the Murphy’s room which was taken in the name of her Husband and Mother- in- law, according to website. Murphy’s neighbors says that she died before taken to hospital. According to Murphy’s mother, her daughter was diabetic and was sick for last few days. Murphy’s death was natural, says Police.