Illinois Cop's 3rd Wife Could Be Exhumed as Search for Missing 4th Wife Continues

Prosecutors in Illinois are considering exhuming the body of a Bolingbrook police sergeant's third wife after the coroner who reviewed the autopsy proclaimed her death was no accident.

Chuck Pelkie, a spokesman for the Will County State’s Attorney told FOX News that investigators reviewing the death of Kathleen Savio, the ex-wife of Drew Peterson, and are interested in inspecting the body, but needed to talk to Savio's family first.

Savio's death is being reviewed since Peterson's current wife, Stacy, disappeared Oct. 29. Savio was found dead in her bathtub in March 2004, and at the time her death was ruled accidental.

“There were red flags upon initial review,” Pelkie said. “We are talking seriously about taking steps to exhume her [Savio’s] body."

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Will County Coroner Patrick O'Neil, who reviewed Savio's autopsy, said Wednesday that there were aspects of her death that concerned him.

The autopsy report found that Savio had a one-inch "blunt laceration" on the left side of her scalp, her "hair is soaked with blood" and she also had abrasions or bruises on seven different places on her body.

Despite this, Dr. Bryan Mitchell -- the forensic pathologist who conducted the initial autopsy -- wrote in his opinion that her death "is ascribed to drowning."

"The laceration to posterior scalp may have been related to a fall in which she struck her head," Mitchell wrote.

At the 2004 inquest, authorities said Savio drowned, even though there was no water in the bathtub when she was found. Investigators theorized that the water must have drained out.

O'Neil disagrees and said that Savio's death was inconclusive.

"It was my opinion that at the very least, her death should have been ruled 'undetermined,'" O'Neil said. "The coroner's jury, unfortunately, ruled otherwise."

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Court records reveal that in 2002, Savio filed for an emergency order of protection against her ex-husband, Drew Peterson, claiming in the documents that "he wants me dead and if he has to, he will burn the house down just to shut me up."

Melissa Doman, Savio's niece, told FOX News that the truth about her aunt's death is finally coming out.

"Everything that is coming out now, we knew about back then," Doman said. "I know they tried to cover it up because he [Drew Peterson] is a cop. I'm glad it's finally coming out, but it's sad it's taken a poor 23-year-old girl [Stacy Peterson] to go missing for everyone to find out what really happened."

Meanwhile, search teams continue to look for Stacy Peterson. Peterson was reported missing after she didn't arrive to a friend's house.

Drew Peterson, 53, maintains no involvement in the disappearance of his wife. Her disappearance is under review as a missing persons case.

FOX News' Jeff Goldblatt contributed to this report.