but not the payback we are looking for. anyway, thank you. dna found on a bomb fragment, sounds like a giant clue. but is it? forensic pathologist dr. michael badon joins us. it may be innocent. it could be as brian has mentioned from unfortunately, one of the victims. but i am curious, how easy is it to get dna off something? if i had a pressure cookener my home and it ended up in a bomb, but i touched it, would you expect my dna to come off it? yes, your dna and your fingerprints and off bullets also, the technology can pick up just a few cells of skin cells and fingerprints. and if it doesn t matter t. could be a male or a female dna. but the fbi s going to track any dna, any yarning prints on any fingerprints on any of the