Cops May Have Found Body of Drew Peterson's Wife

There may be a huge break in the disappearance of Drew Peterson's fourth wife. TMZ has learned authorities believe they may know exactly where the body is buried, and then plan to dig for it tomorrow.

Law enforcement sources tell TMZ ... Peterson, an ex-cop who is currently behind bars awaiting trial for the murder of his third wife, told an inmate yesterday how he killed Stacy Peterson, wife number 4. Stacy's body has never been recovered.

Our sources say Peterson told the inmate he had an accomplice help him dispose of the body. The inmate then told authorities about his discussion with Peterson, which led them to the alleged accomplice. We're told the accomplice informed Will County Sheriff's officials and prosecutors that the body was buried just outside Peoria, Illinois.

Cops May Have Found Body of Drew Peterson's Wife