Barometric Pressure Switch News Today

The cell phone timer boards to potentially initiate those devices. i worked an investigation back in the late 90s where a serial bomber out in fremont, california, used a timex watch that had a year capability. he basically planted his bomb a year out and had it set to go on anniversary. >> what about barometric pressure because we know the plane was at 30,000 feet. >> thats another possibility and probably a strong possibility. it reached 31,000 feet. if i were to build a device, i would want s...

Throw off someone who you know is listening on your communications. >> reporter: isis in the sinai peninsula has shown bomb-making signals before and if isis is responsible for this, it would mark a significant step in their capabilities to launch further attacks. >> at this point, we dont have enough information to make our own determination about what exactly occurred but we do have enough information at this point to not rule out the possibility of terrorism. >> reporter: there is no indicati...

Explosives used by al qaeda. authorities believe isis used a more conventional device. a source celling cnn it may have included a barometric pressure switch. al qaeda has targeted passenger planes four times since 2011. one attempt foiled by passengers on board. a plot by british extremists who hide explosives in water bottles was disrupted. and then the underwear bomber failed to properly detonate explosives as his plane was landing in detroit. a year later, explosives were discovered in two p...

Board. if true, it would be the most significant terror attack since 9/11. the first time after several failed attempt they were able to blow up a passenger jet in flight. two government sources say terrorist chatter indicates that a bomb took down the plane. u.s. officials also say they suspect the bomb was planted in luggage by someone at the airport. so what set the bomb off? one possibility intelligence agents are looking at is that it was triggered by a barometric pressure switch, set to go...

Bear bear. paul, i mean, weve talked a lot about groups and saw it there trying to use sophisticated methods, the ink jet cartridge. they say thats a relatively easy thing to make. >> a very conventional device, meat and potatoes. the crucial factor here may be they recruited an insider at the airport and if you can do that, thats the holy grail for terrorist groups because you can insinuate a bomb. they havent apprehended the potential insider who may have got this bomb on to that get. >> bob, ...

The ranks. a lot come from state institutions and the iraqi government or defectors from the assad regime or military, it stands to reason someone in the egyptian transport ministry or indeed at the private commercial airliner might have weighed this in. because its not something more sophisticated to circumvent security protocol means they had an open door. >> reporting officials are looking into the theory isis built the bomb with the pressure switch to go off at a certain altitude. is that a ...

Fabric or clothing. look, i think that its absolutely the case if this does turn out to be an isis attack, there was somebody on the inside. and thats not surprising, anderson. you have to look who populates the ranks. a lot come from state institutions and the iraqi government or defectors from the assad regime or military, it stands to reason someone in the egyptian transport ministry or indeed at the private commercial airliner might have weighed this in. and the fact that its a conventional ...

Off someone who you know is listening in on your communications. >> isis in the sinai peninsula has shown bomb making capabilities before, but if the terrorists are responsible for smuggling a bomb aboard this flight, it would mark a significant step in their capabilities to launch further attacks. >> at this point we dont have information to make our own determination about what exactly occurred. but we do have enough information at this point to not rule out the possibility of terrorist involv...

Airports. they havent apprehended the potential insider who may have got this bomb on to that jet. >> bob, i mean, again, a bomb with the barometric pressure switch, are they easy to make? its a worrying thing for those of us that dont know much about explosives. >> anderson, its very easy, this technology is old but its reliable. its worked on several attacks in the 70s. the bombs went off. you know, the detonators can be smuggled on. thats always the hardest part with the underwear bomber from...