Lutzenkirchen was a passenger in the 2006 Chevrolet Tahoe, and was ejected from the vehicle as it overturned several times. Joseph Davis, the driver of the car, was also killed, while other passengers Christian Case and Elizabeth Craig were injured.
Lutzenkirchen, 23, and Davis were both tested by police for alcohol and drug use, and the results will be available in several weeks, according to the report. Case and Craig were not tested for alcohol use, but both were suspected of it.
The report also states that Lutzenkirchen, Davis and Craig were not wearing seatbelts. The car was going an estimated 55 miles per hour when the crash occurred.
Lutzenkirchen was a standout on Auburn's 2010 national championship team and his 14 career touchdowns are the most in school history for a tight end.