i didn't want to be underneath it. >> but jose nunez wants to stay put. e men agree to hang on and take their chances on the moving mixer. they fear the worst. >> jose was really concerned about something happening serious. because all he talked about was his wife and kids. >> then the truck floats under a second bridge, but doesn't come out on the other side. it hits another abutment. and this time for the moment, it's stuck. it turns out to be a lucky break. a rescue helicopter chasing the cement truck down the river can now make a daring attempt to save them. >> air rescue 5 hovering over, trying to maneuver in there. >> i can actually see the fear in their face as i was going down. as i started to get close to them, i yelled for them to stay still. >> rick hernandez gets a harness on jose and wants to send him alone up to the chopper but jose is gripped by fear and lunges for the deputy nearly pushing him into the river. >> i had to kind of push him away from me, saying let me go, you're going to go by yourself. >> hernandez breaks free and sends jose