this throughout. and they believe it is al qaeda in yemen known as aqap. al qaeda in the arabian peninsula. as for the bomb itself, all the indications are that it was very similar. as you said, to devices used by aqap in both the christmas day underwear bomber and another plot after that to put bombs inside printer cartridges and put them on aircraft bound for the united states using material called petn, white powdery substances, a detonator. very difficult to detect by conventional x-ray machines. so they are looking the fbi has the device, they say. they are looking at all of it trying to do the technical, the forensic analysis on it. very tantalizing detail. the person who would have used the bomb no longer a threat. nobody in the government is saying whether that person is dead or in custody. ashleigh? we went through this last week. we went through the anniversary. we heard from the government there was no credible threat and now we re hearing all of this. what do
a threat anymore. u.s. counterterrorism official says the explosive device is similar to the one that was used by the so-called underwear bomber back on christmas day of 2009. only this time, more sophisticated and harder to detect. barbara starr is live at the pentagon this morning. what do we know about the bomb itself and about how this all unfolded? well, very little detail being made public at this point, ashleigh because officials say operations intelligence operations are still ongoing. clearly, pointing to the fact they still feel there are elements of whatever this organization is that was behind this throughout. and they believe it is al qaeda in yemen known as aqap. al qaeda in the arabian peninsula. as for the bomb itself, all the indications are that it was very similar. as you said, to devices used by aqap in both the christmas day underwear bomber and another plot after that to put bombs inside printer cartridges and put them on aircraft bound for the united
and was later pronounced dead at an area hospital. reporter: the two girls police feared he was holding captive, 12-year-old alexandria bain, and her 8-year-old sister kyliyah, are safe with authorities. the girls were found alive and appear to be unharmed. reporter: it s been almost two weeks since the girls, their mother jo ann, and older sister adrienne, disappeared from their home in whitesville, tennessee. since then, police have found the bodies of jo ann and adrienne bain buried in the backyard of mayes home in alpine, mississippi. on wednesday, mayes ex-wife teresa was charged with two counts of first degree murder after she told police she knew mayes had killed bain and her eldest daughter near the family s tennessee home. and that she had helped him transport the bodies back to pistepy. an end to the search for the kidnapped girls and their captor. but just the beginning in the search by investigators, friends and family as to why.