DENVER (CBS4) – Police are searching for the suspect involved in a deadly rollover crash early Thursday morning that involved a stolen car.

A stolen white four-door sedan was heading southbound on Interstate 25 near Colfax Avenue with two people inside when it lost control and collided with a white Chevy pickup truck shortly after 2 a.m.

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Both cars struck the concrete wall on the right, then both cars struck the center concrete barrier. The Chevy rolled over in the crash and the driver, 52-year-old Jeffrey Koontz, was killed at the scene.

(credit: CBS)

(credit: CBS)

The passenger of the stolen sedan was taken to the hospital in critical condition, but the driver fled the scene.

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The driver of the stolen sedan is described as a white or Hispanic woman with long black hair, between 5′ and 5’5″ in height. She was wearing a black coat at the time of the crash.

Police said she should have a large gash on her forehead, and are hoping she will show up at the hospital to check on her passenger.

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Police are calling it a hit and run, and the accident is still under investigation.