A body burnt beyond recognition was found inside a missing Wisconsin teacher’s car, a report said Tuesday.

The car of Kathleen Ryan, who was last seen Saturday afternoon, was found on fire in the driveway of a home in Lake County, Ill., later that night, Chicago station WGN-TV reported. The coroner will use DNA and dental records to identify the body, which could take weeks or months.

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“At this point, we’re hoping it wasn’t her in the car,” Ryan’s adult son, Maxwell, told the station. “We hope someone took the car, and she’s out there somewhere. … We just love her, and we want her home. It’s as simple as that.”

Ryan, a Milwaukee-area resident, is a teacher at St. Augustine Preparatory Academy, FOX6 Milwaukee reported. She was supposed to meet one of her sons at a basketball game Saturday, but never arrived.

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"We are optimistic that she is somewhere, and that she gets back, because we miss her," Ryan's son, Zack, told the station."It's her birthday."