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Autopsy can't link remains to missing women

  • Story Highlights
  • NEW: Rib cage, spinal column and partial left femur bones among body parts found
  • NEW: Autopsy inconclusive as to identity of remains; DNA testing to take two weeks
  • Remains found on south bank of Des Plaines River
  • Area is near homes of Stacy Peterson, Lisa Stebic
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(CNN) -- A preliminary autopsy Thursday did not reveal any identifying information on remains found on the bank of a river, less than 30 miles from the homes of two missing Illinois women.

Partial skeletal remains were found on the south bank of the Des Plaines River near Channahon, Illinois.

Partial skeletal remains were found on the south bank of the Des Plaines River near Channahon, Illinois.

The "partial skeletal remains" were found on the south bank of the Des Plaines River near Channahon, Illinois, according to Will County Coroner Patrick O'Neil's office.

A statement issued by O'Neil's office said a forensic examination was inconclusive as to identity, race or sex of the body parts, which consisted of a rib cage, spinal column and partial left and right femur bones.

A marine cleanup crew, which discovered the remains Wednesday, also found shreds of blue jeans and a small amount of money.

The Illinois State Police Forensic Crime Laboratory is expediting a DNA analysis, which will take at least two weeks, the statement said.

Illinois State Police were on the scene Thursday conducting additional searches, said spokesman Sgt. Tom Burek.

On Sunday, Michelle Williams found a blue barrel in Channahon, Illinois, along the river and called police. Video Watch Williams describe her grisly find »

Channahon is 20 miles from Bolingbrook, Illinois, where Stacy Peterson lived with her husband, former police officer Drew Peterson. The former officer's stepbrother told police he helped Drew Peterson move a heavy blue barrel shortly after his wife's disappearanceVideo police uncover skeletal remains »

Williams said she didn't initially make any connection regarding the barrel, but she did call police.

"It wasn't until yesterday afternoon when the news broke that there had been skeletal remains washing up on shore and that far away from the blue barrel, I had a sick feeling to my stomach when I heard that," Williams told CNN's Nancy Grace.

Stacy Peterson disappeared in October 2007. Her husband has been named a suspect in her disappearance, but he has maintained his innocence, saying she left him for another man.

Stacy Peterson, 23 when she was last seen, was Drew Peterson's fourth wife. This month, Drew Peterson, 55, was indicted on murder charges in the 2004 death of his third wife, Kathleen Savio, while the two were in the midst of a nasty divorce. He has pleaded not guilty.

Savio's death was originally deemed an accident, but authorities took a second look at the case after Stacy Peterson's disappearance.

Channahon is also 15 miles from Plainfield, Illinois, where Lisa Stebic was last seen in April 2007.


On the day she went missing, she petitioned a court to have her husband, Craig, evicted from their Plainfield home. Craig Stebic told police he was working in the backyard when his 37-year-old wife left home about 6 p.m., taking her cell phone and purse.

Authorities have said they believe that Lisa Stebic was the victim of foul play and have named Craig Stebic a suspect.

CNN's Kara Devlin contributed to this report.

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