Page 2 - Marathon Terror Attack News Today : Breaking News, Live Updates & Top Stories | Vimarsana

It looks like a harmless device. the main reason is maybe as land mines that you can put that in the ground and with the pressure, you know, with it sealed it avoids environmental contamination and keeps the contents dry and ready to explode and protects the inner workings of the bomb. that's been the more common reason for doing it in the past. with all the publicity this week, it may gain popularity here as well unfortunately. >> thank you so much. >> you're welcome. thank you. >> from iraq to afghanistan to peaceful downtown boston the marathon terror attack is underscoring the danger of th...

Again, they are in a really stuff spot. the public is saying, protect us, do something, help us. heather: and we don't know what they know that they cannot share with us. >> exactly. heather: all they can do is reassure us and remind us, in times like these as the president said we are not democrat, we are not republican, we are all americans. thank you so much for joining us. we appreciate it, bill, back to the scene there with you. bill: all right, heather thank you. in a moment here we'll go to "happening now" about ten minutes away as we continue our coverage, and we lock for these clues a...

Matter if it's a marathon or concert or a yankees game, at the end you will have the most highly concentrated groups of people. heather: we don't want to place blame at this point. >> we're not placing became. what i'm looking at here though from an attacker's point of view is, a unconventional warfare attacker is always looking attack ticks that are used by law enforcement and the awareness of the civilian population. and then adjust their tactics to maneuver around those things. heather: so they perhaps knew after this lockdown they could still get something on. >> i'm sure it was --. heathe...

Archaeologist putting together a puzzle. where do they think the bomb was put together? do they have any idea? >> reporter: the latest information we have from a congressional source this morning is that the working theory is that because this type of explosive, the black powder, these were not devices that were assembled at a great distance and transferred in, the risk of a premature detonation would have been too high. the working theory is they would have to be a accepted -bld close to the blast site and even within a few hours of the attack. that is why i believe the "wall street journal" ...

If they get a piece of the label, or some other logo from the bag. same thing with containers inside. and what was used to actually hold the explosive, and hold the shrapnel. all of those things will be recoverable if they can find them, and if they can, you know, piece together that that probably came from the device, and was it just part of the other trash that was in the area that got spread around. >> i'm sure they'll be looking closely at this image to see if in fact they blow it up or whatever, if they expand it, to see if it is in fact a black nylon bag, or something else. everybody sta...