Detailed text transcripts for TV channel - KGO - 20130416:10:24:00
Not sure what had happened. >> i figured that was some kind of a bomb that went off. but really didn't know what to think. >> reporter: what way was the finish line? the finish line was this way? >> yeah. the bomb was behind me. yeah, i didn't think of any possibility of another bomb going off up by the finish line. and then after i was up and walking over, then the other bomb went off. it was loud. i mean, really loud. my whole eardrums, when i got back here, i couldn't hardly hear anything. it was tremendous. >> reporter: it's a story of tragedy and triumph for bill, who far more than just f...