Stress Marks News Today : Breaking News, Live Updates & Top Stories | Vimarsana

The vessel. we do believe that eventually some sort of extraction might take place of these larger pieces, to be brought to the surface so they can take a close look at what happened, search for some stress marks or cracks or anything that might give researchers a bit of a clue and of course they also want to try to understand not only what happened but try to prevent future tragedies from taking place. future tragedies from taking lace. ., . future tragedies from taking . lace. ., ., , future tragedies from taking lace. ., ., , ., . place. you have been watching everything _ place. you have b...

Will leave an impression in the next will leave a different in e impression. >> in effect, fingerprint. >> correct. >> jim is head of the operations division, he is talking about a national ballistics database that helps connect to guns to crime scenes. some of the best evidence after shooting are the spent bullet cases which have been ejected from guns. please take 2d and 3d images of the cartridges. >> this would be what we call a lead. >> at that laboratory outside of washington, they check the new casings against the 3 million they already have from otherer crime scenes. looking for matche...

Impression an the next one will leave a different impression. chris: in effect, fingerprints? >> yes. chris: head of the firearms operation and is talking about a national ballistic database that helps connect guns to crime scenes. some of the best after the shooting are the bullet cases which have been ejected from guns. police take two d and 3d images of the cartridges. at the atf nat in washington, they check the new casings against the 3 million they already have from other crime scenes. looking for matches left by the firing pin, stress marks and the guns cartridge ejected. >> what you'll...

Impression an the next one will leave a different impression. chris: in effect, fingerprints? >> yes. chris: head of the firearms operation and is talking about a national ballistic database that helps connect guns to crime scenes. some of the best after the shooting are the bullet cases which have been ejected from guns. police take two d and 3d images of the cartridges. at the atf national laboratory in washington, they check the new casings against the 3 million they already have from other crime scenes. looking for matches left by the firing pin, stress marks and the guns cartridge ejected...

Typically the batteries clast for 30 days, usually they last a little bit longer and that's what we're trying to find. what is critical is that the teams out there searching for the surface debris they get good position data on that and they feed it back to the oceanographers to help us determine a probable point of impact for where the aircraft went in. >> you know, there are so many things that will be triggered by a piece of wreckage being found. what they'll do is try to back track and look at the drifts and the currents in the weather and hopefully be able to pinpoint that impact, as well...