CNN CNN Newsroom With Carol Costello October 30, 2015 14:05:00
They have to follow and they have to be as thorough as possible going through all the records, going through all the information, going throughout black box on the aircraft, checking all the communications of what happened, how it happened, talking with the control tower, talking with the pilots. of course, the mechanics and so forth that worked on it before. >> reporter: are they saying if they're looking specifically like at the fuel line leak or -- [ inaudible ] >> the question is are they saying they're looking at a fuel line leak or anything along that line. i don't have that answer. they...