>> a lot of time when you use auvs you find a lot of garbage on the ocean bottom, things tossed overboards, barrels, cars, it's amazing -- >> cars? >> yes. each one of these things requires you to put the camera on it. >> sure. >> to make sure it's not what you're looking for. they're so far out in an area that's not trafficked that much in the indian ocean, that i don't expect there to be a lot of these sort of false positives on the ocean bottom. while there's a garbage patch, if they start picking up man-made objects it's most likely this. >> so far away from where mankind destroys the earth, it shouldn't affect the search to much, theoretically. distraught family members confront officials. why the daily briefings are more like cross-examinations next. two soldiers have been taken hostage in ukraine and six armored vehicles are now under russian control. but are russian people being