CNN The Lead With Jake Tapper April 15, 2014 20:04:00
Investigation separate from the criminal investigation into flight 370's disappearance. the teams will look at whether mechanical, operational issues or human error caused something to go wrong. jake? >> rene, thank you. bluefin-21 is back in the water and performing well, we're told, but why would that be the case if it's in the same search area? joining me is mike. if the water was too deep and it's back in the same water and the same depths, i guess i don't really fully understand why would you send it back in if it already self-aborted yesterday? >> sure, jake. bluefin has a lot of capabil...