Sylvan Pascoe News Today : Breaking News, Live Updates & Top Stories | Vimarsana

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 escalated between lopez and another soldier in the moments right before this shooting. Officials believe tha...

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 that's the box, and we believe the plane's in that box, we can find it and we should find it if it's in that box. >> david gallo, sylvan pascoe, thanks for being with us, talking this through. up next we'll dig deeper into the troubling notion that flight 370 might not be found anytime soon or ever at all. we'll show you some ...

That helped us narrow down the retro drift and the positions of the debris field. >> david it certainly doesn't 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 that's the box, and we believe the plane's in that box, we can find it and we should find it if it's in that box. >> david g...

>> 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 that you have 10,000 meters of cable behind the ship. so it's very difficult to narrow down the posi...

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 they'll 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, that's the perfect scenario. but even the head of the search effort seems to be hedging his bets. >> hopefully, hopefu...