obsession. i'm talk to the son of one of the passengers. we'll talk to two friends of the pilot. they say the man they knew would never deliberately crash a plane. our bill story is of course flight 370. we are covering every angle with cnn reporters all over the globe. sara sidner in kuala lumpur, david mckenzie in beijing and richard quest with me. dramatic developments that happened during our show last night where the search moved suddenly at least 700 miles north. we've got this photograph from new zealand air force from a plane, not a satellite. what is the significance of this picture potentially? >> reporter: well, it's a very promising lead. but at this point we don't know if it's actually debris from the plane. it is a floating object in the water. you could kind of see it's rectangular in shape. and the plane that spotted it was actually a p 3 orion from new zealand. the lieutenant that saw it gave