His seat belt was shredded , and his wristwatch had stopped at 3 : 18 p.m. , the time of his crash .
Firemen later pulled Mantell 's body from the Mustang 's wreckage .
Mantell 's seat belt was shredded , and his wristwatch had stopped at 3 : 18 p.m. , the time of his crash .
Firemen later pulled Mantell 's body from the Mustang 's wreckage .