and it hits a railroad tie that's next to the sidewalk. and in that jarring motion, she loses her grip and she goes under the truck. the car stops right up at the breast bone, the tires up to her neck. >> tufty immediately radios for an ambulance and then races over to ziegler's truck. >> she's not breathing. the sheer weight of the vehicle, she's not going to be breathing much at all. >> the chase has now become a rescue mission as he tries in vain to push the vehicle off her. within minutes neighbors rush over to help. but even the additional manpower cannot lift the truck. corporate tufty makes a crucial decision. >> i knew that if i didn't get the truck off of her, she wasn't going to live. the only thing i had available to me was the drive it off. so i went into the cab, it was still running. i started to hid the accelerator really slow to try and feather it. and just all of a sudden she came out from underneath it. >> startled onlookers back away