In Yesmen News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Catherine herridge tells us what it is. >> reporter: the head of the t.s.a. says there is new intelligence that al-qaeda in yemen might use insulated cup or a thermos to bring down aircraft. >> the thought was they would use tatp around the cylinder of a thermos, put it on a passenger or a cargo plane and however the initiation, the detonator, they didn't describe. >> reporter: nonmetallic explosives which are hard to flag with traditional screening are the signature of this man, saudi operative who is accused of making the bombs in a string of high-profile plots, including the cargo printer b...

To try to blow up an airplane. catherine herridge tells us what it is. >> reporter: the head of the t.s.a. says there is new intelligence that al-qaeda in yemen might use insulated cup or a thermos to bring down aircraft. >> the thought was they would use tatp around the cylinder of a thermos, put it on a passenger or a cargo plane and however the initiation, the detonator, they didn't describe. >> reporter: nonmetallic explosives which are hard to flag with traditional screening are the signature of this man, saudi operative who is accused of making the bombs in a string of high-profile plots...