CNN CNNI Simulcast December 31, 2014 06:07:00
Hour. so this is 1/3 of the speed as you take a calm walk through your neighborhood perhaps. unfortunately when you get through this region there's marshy landscape. you want to get to this debris field as quickly as possible. it gets a lot more complex when it pushes into a terrain like this. >> the weather has been a factor since the very beginning. some title information as to what went wrong onboard that plane. >> where searchers are looking and what clues they may find. >> there are three layers to the physical search. we know where the plane took off, we know where it disappeared, we kno...