"The cause of death is still under investigation, and the Polk County medical examiner is awaiting the results of toxicology testing, the paper reported. Dr. Gregory Schmunk said it could be four to six weeks before the test results are complete and the cause of death can be determined, according to police.
According to the paper, the autopsy did indicate that the body showed no evidence of foul play or trauma and that Gray had been dead for several hours before his body was discovered. "