Jayne Mansfield Autopsy Report Guide

The public outcry over the horizontal gap under the semi-trailer—which allowed the Buick to slide beneath it—forced the federal government to act. The National Highway Traffic Safety Administration (NHTSA) mandated that all commercial tractor-trailers be equipped with a rear underride guard.

The crash was so severe that the adults in the front seat had no chance of survival. jayne mansfield autopsy report