made a rush on the cockpit and thwarted the hijackers. we know that because the cockpit voice recording they knew there was a movement afoot in the back. and their moments were numbered upfront. we heard, someone heard on the cockpit voice recording, they're coming. they're coming. there was a tremendous thrashing around of dishes and carts, back and forth. >> this plane was at least 30 degrees. it would rapidly go to 45° the other way, rocking back and forth. there was a fight going on and plane is rolling right to left to right to left. >> we heard blood screams more than once. i don't believe it was a passenger. >> they were rolling violently back anding for. >> the hijackers were panicked. they were -- they were talking with each other do you want me to end it now? i believe that was their signal, we are going to crash