Detailed text transcripts for TV channel - KGO - 20140327:09:35:00
Authorities still have no idea why this plane crashed. >> i don't think at this point we can rule anything in or out. i think we have to continue to search as we are, until we have more information, we don't know. >> half a dozen countries are participating in the search. the u.s. navy is sending a submergible device like this one here, to help locate the plane's black box. security changes following last year's deadly shooting at the los angeles airport. the plan would require armed enforcement officers during peak hours. officers training and exercises mandatory and supervisors remind agen...