breaking news tonight, the fbi running two sets of thuprin through its database. the mystery of the malaysian flight could not be more of a mystery right now. it's one of the most high-tech planes on the plan et, built for long distances, considered one of the safest planes in the world, which only deepens the mystery, here's renee marsh. >> the boeing 777 is one of the most high-tech planes in the sky. and a workhorse of international travel. >> the 777 i have to say was probably the nicest, most sophisticated, but also one of the easier airplanes to fly. >> it's so sophisticated it beams messages to the ground to identify maintenance problems before it even lands.