12th Dive News Today

Searchers may need to revisit even the most fundamental data which could mean a re-look at the marsat data looking at the search zone. >> that is very important as we chart our next course. >> reporter: one area that could be eliminated is search by air, is it still relevant? >> if they find the slightest piece from that aircraft, it would give them some closure on whats going on. >> its an extraordinary difficult decision to make on a daily basis at that. i wouldnt want to be the one having to ...

Another incident where someone who workforce afghan security forces apparently is shot and killed. these people, we saw something similar just a few weeks ago in eastern afghanistan when an afghan security official shot and killed two american journalists. just before that, also, a french journalist t shot and killed in a taliban attack. kate? >> when you listen like that it seems to get worse and worse. barbara starr, thank you so much. thank you. lets turn now to the latest on the search for...

Bluefin-21 at the moment and this ongoing underwater search. as of this morning, it was on its 12th dive. about 90% of this narrowed search area completely scoured and ruled out. and officials are focused now as well on what comes next once that entire search operation has been completed, poppy. >> so, that is the question, what is next? the weather there not ideal once again in terms of that aerial search, but theyre focusing, as you said, under water, but they only have that bluefin-21. do we ...

Breaking news as investigators are down to the last 10% of the designated search area. so far in that area no evidence of flight 370. the american navys underwater drone may be conducting its last in the area. miguel is in perth. what are you learning tonight? >> well, we believe that 12th dive is probably complete by now and theyre downloading the data and finishing it up. so presumably, they are through very close if not entirely the area of 150 square miles of the area around that second ping...