Blast Evidence News Today : Breaking News, Live Updates & Top Stories | Vimarsana

States secret service, and others, responded to the scene. many of them were already there as part of the general security for the marathon already in place. the first step law enforcement took was to secure the physical area around the blast for the purpose of preserving evidence in the area related to the devices, itself. this morning the fbi along with boston pd, massachusetts state police, and atf, officially began its forensic evidence recovery effort at the site. their goal was to recover physical items related to the blast. those items have been recovered and are being sent to the fbi's...

Device. we are expediting this blast evidence to our laboratory in quantico, virginia, for a complete and thorough analysis. in addition, this morning it was determined that both of the explosives were placed in a dark colored nylon bag or backpack. the bag would have been heavy because of the components believed to be in it. at this point, it is difficult to determine specific components used until we can eliminate other factors which may have already been present in the environment. in fact, we won't know with some certainty until the laboratory completes its final review. away from the scen...