supreme court reversed that decisi decision, so the case is back in court. both knox and >> thank you so much. so if the knife doesn't show evidence of the victim's dna, then what does that mean for the trial? i'm joined now by steve moore, he is a retired supervisy special agent for the fbi. he was also part of a congressional briefing this week looking into this case. good to see you. >> good morning. how are you? >> i'm doing good. so at this briefing, you talked about the investigation by italian police. what was your main message? >> my main message was that this is one of the most poorly conducted investigations i had ever seen outside of a third world country. it was frighteningly bad. and of course, you know, garbage in, garbage out. they were -- they had decided