Blast Pattern News Today

Miguel marquez, cnn, gettysburg, pennsylvania. >> pretty disturbing there. lets dig into this further with anthony may, a former explosives expert for the atf. anthony, first question, what will investigators be look for to determine if this was a bomb? >> good morning, pam. what theyll be looking for is a telltale signs of an explosion. thats yet to be determined. this is all speculation but its important to speculate because if this was a terrorist event, a bombing, then -- and it was successf...

People and video that it exploded in mid flight. so you have this fireball in this sky, seen by other pilots and people on the ground and the pieces coming down in the atlantic ocean in about 130 feet of water, similar to the depth of this crash. because it exploded that led to the speculation it could be terrorism or it could have been sabotage or a bomb on board by who knows who. and thats why, for a long time there was a joint investigation with the fbi and the ntsb working together to get to...

Believe the bomb went off. the forensic agents, the fbi and atf were here, and picking up physical pieces of evidence. this is a brand new concrete thats been laid down here. they removed that, and theyre going to -- theyre testing things, the blast pattern, bringing shrapnel out of pieces of stone and concrete. back here, you can see the windows are still blown out. all of that is going to be analyzed so investigators can understand how this device work. they still dont know how exactly the dev...

Physical pieces of evidence. this is a brand new concrete thats been laid down here. they removed that, and theyre going to -- theyre testing things, the blast pattern, bringing shrapnel out of pieces of stone and concrete. back here, you can see the windows are still blown out. all of that is going to be analyzed so investigators can understand how this device worked. they still dont know how exactly the device worked, how it was put together. and the impact of the shrapnel. all of that is bein...

Happened, what went wrong, will be based on forensic science because the records and everything that was in that facility that could tell them things like how much and what sort of chemicals and what kind of fertilizers, that was obliterated along with the plant itself with that terrible explosion on wednesday night. so going in there, and everything in that explosion zone is considered evidence. that would include say the debris, that would include the kind of damage that was done, the blast pa...

People who may have been communicating information. thats why so many of these pictures, you know, you think about this huge montage of pictures, layer upon layer upon layer. thats what all the investigators are looking at. youve got also, chris, the forensic teams. theyre going through the evidence. theyre look agent ting at the patterns. a trk atf, theyre so good at determining where the bomb came from, the direction it took. thats crucial. weve been showing a picture of this bag, almost like ...