Detailed text transcripts for TV channel - KGO - 20130416:10:30:00
Suspects, the bombs caused terrible injuries and hospitals reported seeing shrapnel wounds. >> there's a lot of small metal debris. some people have -- have asked already about whether these were bbs or parts of bombs. i just don't think we're able to say whether these were small bits of metal placed there intentionally or part of the environment. >> reporter: shrapnel is just one of the clues investigators will be looking at. >> there are fragments everywhere, there are fragments everywhere, there are fragments within the victims. fragments in the sidewalk. what they're going to be able to do...