taken, holding a picture of amanda. >> just this past webber, wenz did inmates jailed along with rudy gadayither amanda knox nor her boyfriend were at the house the night of meredith kercher's murder. on monday gaday himself took the witness stand claiming those inmates were lying. after his testimony knox once again d

rudy gaday, a known petty criminal from the ivory coast who fled to germany shortly after the murder.gaday's hand print made in meredith kercher's own blood was found in the victim's room. gaday's dna found inside the victim's body in her vagina. his dna on her clothing, on her purse. his feces even found on used toilet paper left near an unflushed toilet down the hall. and something else. gaday didn't even know raffaele and had only met amanda a few times with neighbors. >> knowing all of that and when he finally got extradited from germany back down to italy, we thought, you know, thank god this is over. >> it wasn't. prosecutor menini simply swapped suspects. amanda knox, raffaele sollecito and now rudy gaday had come to meredith kercher hoping to include her in an orgy. when kercher refused they pulled out knives and killed her. giulian menini would stick to his instincts despite the forensic evidence. >> you were fix ated, according to the defense, on amanda knox and raffaele sollecito and kept imagining new scenarios that made these two people guilty. >>> it trmpblgts i did what

>> just this past webber, wenz did inmates jailed along with rudy gaday testified he told >>> it happened in the dark of night. a wrong turn down a dead end road. it would end up costing him 17 years in prison. >> there's no way i could have committed that crime. >> a state bureau of investigation crime lab withheld evidence that could have set him free. >> floyd brown spent 14 years locked up for a crime he didn't commit. >> was there any evidence whatsoever linking him to the crime? >> no. the only thing that puts floyd in this case at all is the fictional confession. >> i think over the last 20 years, a culture has developed at the sbi that basically the ends justify the means. >> you'd hope these were isolated incidents. the more we dug the more we found that wasn't the case. >> you never anticipate anything like this. you always think that there's a sense of justice in the world and that the system works. >>> it was september 25th, 1991, in raleigh, north carolina. and greg taylor was spiralling down a destructive path. a husband and devoted father with a steady job, he was fighting