CNN Anderson Cooper Special Report April 27, 2013 05:41:00
Yield other clues, too. >> what were the components used in creating these devices? coupled with that, you're going to have an investigation or laboratory sciences working on things like fingerprints, hair and fibers that may be included in there. and also tool markings. >> ray low pez is a former fbi explosives expert. they're going to look for tool marks that were left after these things were done. and that's going to be matched to any tools that they could find at any of the search sites that investigators are working at. >> officials now say at least one of the bombs was detonated with a r...
Source: archive.org