Tire Tread/belt problems of the 2003 Chevrolet Trailblazer

The contact owns a 2003 Chevrolet Trailblazer equipped with bf goodrich rugged trail t/a tires, size: p245/65ri7. While driving at 65 mph, the contact heard a vibration coming from the tires. The contact lost control of the vehicle and crashed into a pole. The vehicle rolled over multiple times and the air bags failed to deploy. In addition, the contact noticed that the threads from the rear driver side tire had separated. The contact sustained head, shoulder, elbow, and hip injuries that required medical attention. A police report was filed. The vehicle was destroyed. The vehicle and tire manufacturers were not notified of the failure. The vehicle failure mileage was 116,000 and the tire failure mileage was 40,000. The dot number was unavailable.