NAPERVILLE, Ill. - During a training exercise on Thursday, the Naperville Fire Department found a car submerged in Lake Osborne and reopened a 22-year-old cold case.

What we know:

Just before 11 a.m., Naperville Police were called to the scene as Naperville Fire Department officials performing training exercises found a car submerged in the southwest portion of Lake Osborne. Around 3:40 p.m., the car was pulled out of the water and identified as a 1992 Nissan Maxima.

After an investigation, the vehicle was connected to the disappearance of Hiep Luu, who was reported missing in 2003.

Suspected human remains were found in the car but have not yet been identified. The DuPage County Coroner's Office will handle the identification of the body.

Naperville Police divers returned to the sce

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