aviation mystery that's baffled the world. here are the latest developments as we have them. pakistan says no trace of the missing plane ever showed up on its radar systems. and pakistan says the plane would have been treated as if it was a threat if it did show up on radar. right now, police are examining a flight simulator taken from the pilot's home. harsh new scrutiny is bearing down on the pilot and the co-pilot. plus, the search for the missing jet airliner is getting even bigger. now authorities are scouring ocean and land. you will hear why some believe the plane may have landed before its last satellite contact. we are bringing in all our experts to track the unsolved mystery of malaysia flight 370. but first, as daylight breaks in what what sha, it's another day without questions. as the -- are the tloauthoritie getting any more details after searching the pilot's home and