>> and nerves of steel in the face of imminent danger. >> we had a really small window to get everyone out of this tunnel or it's going to go from a rescue to a recovery. "caught on camera." help is on the way. rescuers race to save a family trapped inside a wreck and hanging on the edge. >> i've never seen anything like this in 34 years. >> january 12, 2012. an afternoon commute becomes a nightmare when a tractor-trailer slams into a car carrying a mother and her two children in california. >> they were pushed into the center of the bridge. the tractor went over the edge of the bridge and the trailer followed and crushed the car as it was going over the bridge.