Sylvan Pascoe News Today

A lot, both on and off camera. Our justice correspondent pamela brown is in fort hood. Pamela, what is the latest tonight on what youre hearing . Reporter well, a u. S. Military official with direct knowledge of the investigation telling our Barbara Starr that that traumatic brain injury that lopez had reported actually came from a reported fall during patrol, not from a traumatic event related to combat. And john, we learned from military officials today that there was an argument that escalate...

Again this comes down to the confidence of that last known position, that swath that we moved to that richard quest showed, has talked about moving up that arc. if we can be confident about that box as big as it is then we need to find ways to whittle that down. but if thats the box, and we believe the planes in that box, we can find it and we should find it if its in that box. >> david gallo, sylvan pascoe, thanks for being with us, talking this through. up next well dig deeper into the troub...

That helped us narrow down the retro drift and the positions of the debris field. >> david it certainly doesnt sound in this case like it is case of too much data, does it? >> not where we need it, right. again this comes down to the confidence of that last known position, that swath that we moved to that richard quest showed, has talked about moving up that arc. if we can be confident about that box as big as it is then we need to find ways to whittle that down. but if thats the box, and we bel...

>> our thanks to randi. joining me to talk again is analyst david gallo, also with us sylvan pascoe who was a technical adviser in the investigation of the air france 447 crash. and sylvan, let me start with you here. the towed pinger locater. in the water as we speak, searching for these pings from the black boxes. what do you think the chances are that lit find anything? >> well, in case of the air france, we had two towed pinger locaters. we went over the whole area. and the water is so deep ...

Shallow waters off new york. investigators used one in 2009 when air france flight 447 went down in the atlantic but found nothing. if they have any luck locating the pinger from flight 370, next theyll deploy this autonomous underwater vehicle. it maps the ocean floor. >> it will start running patterns back and forth, shooting sound out the side and taking pictures. it will show objects, shiny objects basically, bright objects that could be the plane. >> reporter: right now, thats the perfect s...

If they have any luck locating the pinger from flight 370, next theyll deploy this autonomous underwater vehicle. it maps the ocean floor. >> it will start running patterns back and forth, shooting sound out the side and taking pictures. it will show objects, shiny objects basically, bright objects that could be the plane. >> reporter: right now, thats the perfect scenario. but even the head of the search effort seems to be hedging his bets. >> hopefully, hopefully, the calculations putting us i...