The Oklahoma auto accident occurred when the man, 27, driving the 2002 Grand Am failed to properly round a curve and the car left the road and landed in a pasture after it rolled.
The passenger, a 28-year-old woman, was trapped under the car for 20 minutes.
The woman was critically injured in the Oklahoma auto accident, sustaining head, trunk, internal, external, arm, and leg injuries.
The man sustained internal injuries as a result of the Oklahoma auto accident.
Neither of the Oklahoma auto accident injury victims were wearing seatbelts and the investigation said that the driver had an odor of alcohol.