cnn s barbara starr is live at the pentagon with the details this. good morning, barbara. good morning, john. we ve talked so much abo ts notion of a bomb signature. what is it a why is it impoant? you know, bombmakers tend to put their bombsoghehe same way each andve time and when they train others to put a bombether that is the bomarssignature. what experts are doing is atatia was used?orensics. how was it put together? what kind of detonator? what kind of fuse? w was the bomb placed, if you will? signature.se things make uhe andhes aas body of in afghanistan, through iraq, terrorist attacks overseas, liryas put together e hundreds, if not thousands, of
were small. initial tests shod no c-4 or other high-grade explosive ed i t attack were crude ages he fact that two bombs were used there, ia cta level of sophistication. having made these bombs befo, it s not easy you can t just gett on the internet, make two of these bombs go off fairly closely tother. sobo h se peence, somebody practiced repte srces tell cnn that one, possiblywo unexploded devices also were found. potential treasure troves of clue about who may have made the bombs. and other sources tell us that at least one of bombs, you saw the smoke from it, light coloreecse of powder. ey are discovering made up o of the atea o tse devices. they will be picking these device s apart, ptilay
good morning to you, john. we re about 15 minutes away from downtown boston at an apartment complex here on ocean avenue. this is where authorities spent eight hours yesterday executing a search warrant inside an apartment here, at this apartment complex. this is according to cnn s susan candiotti. local and state police, as well as firefighters, came in here yesterday, starting at around 5:00 p.m. again, here for eight hours. in an apartment on the fifth floor, we are told. we saw authorities bringing out boxes from that apartment. at one point, a state police officer brought in what looked like some sort of equipment, but right now authorities telling us that at this point, that no arrests have been made, that no one is in custody. we did speak to residents here at this apartment complex. they tell us that all they could really say was that there was
these bombs, looking for signatures in terms of how the were made, what kind of mponents were involved, wre those components might have come from to helpetmi w made them. how sophisticated they were. appant notve. but certainly, john, very, very they certainly were. a number of them. and the two that went off, and apparently unexplod bombs on the scene tha investigators are looking at. susan ndiott o tnks to you. w wt bring in the chair of the house homeland securit coite and we re joined by fran townsend, niolecurity analyst and former assistant to george w. bush for security and counterterrorism and with me in boston, cnn analyst julia kayam, a homeland security official right here inst. i want t start with you, corema as chair of t iss holand security mmittee.
fifth floo aptmt, srtg around 5:00 yesterday afternoon for around eight hos, they were snakgut boxes from that apartment. according to cnn s susan candiotti, the residents gave authorities consent to search. in other words, a search warrant wa not executed we re told at this point that no of course, we will keep you . posted on any developments. john. all right, pamela brown in reveer, massachusetts. sort of a workinglass town about fiviles north of boston, where that search took the key piece of information. artment.consent o t owner of being here in boston on the streets it feels like there is so much going on withhi investigati investigation. we vseen national guard convoys pass us. s.w.t. teams,onvoys of motorcyclesnd buses carrying