area for flight 370. it has now expanded into the indian ocean. tom foreman is here with a virtual look. good morning, tom. >> this mystery is getting messier by the day. it is a great tragedy. we can't get any answers. let's bring in the map and talk about what that has done to the search for this plane. remember the basics here. if we go into the closer vision, you see where the plane took off. it flu few for less than an hou and then it disappeared here. this is what we know. look what has followed. the pattern of searches has grown and grown and grown. now, there has been this shift towards the westmore so because of this idea there is some kind of tracing there. the andaman islands over here is