danika weeks waits for news. >> the good news is malaysia hasn't had to deal with this before.s is malaysia hasn't had to deal with this before. we're in a situation where we're watching them kind of learn how to do this and it's unfortunate. >> we go back to square one. >> with a lack of clear communication, speck lags and theories apound. >> could it have been mechanical? you know, structural failure that caused rapid decompression? it's possible. i would say when you weigh all the evidence, the balance is now moving towards some sort of intentional act. >> but what kind? >> a rogue crew intent on hijacking? or murder/suicide? or maybe a terrorist organization. that theory gets a boost by two passengers traveling with stolen passports. it's later determined those men are seeking asylum, not trouble. but that talk of terrorism surprisingly gives sara bajak hope. >> if i was a terrorist, would what i do? i would want to protect the very valuable assets of people on the plane. >> as the families press for answers -- >> china has deployed two ships to search the south china sea.