Sourcesel Cnn News Today : Breaking News, Live Updates & Top Stories | Vimarsana

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 atta...

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 powd...

>> 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 looke...

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 the...

Chris? >> all right, pam brown in cose again, that apartment being searched overnight. we're still learning what the investigators may have taken out of that apartment. it's just one piece of this investigation. focus rig now on this city but much going on. also, tre is spsible for bombing the ca justice.thon, they willot the president promised to find out who did it and promised to find out why. he also reached out to leaders in congress, saying this is a timeor unity among americans. cnn's brianna keilar is standing by at e ithouse this morning. do we eec to hear more from th psintday? >> jo...