Detailed text transcripts for TV channel - CNN - 20100502:16:04:00
Could be a potential terrorist attack. the derivation of that we do not know and that's what the investigation will tell us. >> and what have you found so far in the investigation that they have told you about. are you honing in on suspects or is it still you have a lot of nothing at this point? >> well, i would say it's more than a lot of nothing, but less than particular suspects. there's a lot of forensic information, due in part to the placement of the vehicle, where it was. there's a lot of cameras, a lot of other things in that area that you don't have in some other places. so the forens...