business be when they get there. what s their priority? okay, i think we are having a few problems with sarah right now. we do have renee standing by as well. also on the scene. renee, same question for you. it is a few hours now before ntsb reaches the scene. a few hours now before day light. what s the priority for the investigators? well they re going to want to get the recorders on the train. just similar to an aircraft. you know they had these event recorders which will tell investigators key information like, how fast was this, was this train traveling. were the brakes applied. all that critical, piecing together. what happened here. not only will they want to look at the recorders. but they re going to look at the tracks. want to look for damage. going to want to inspect the train itself. they re going to want to speak to the crew members.