case. it was much other evidence. none of it really fit ray. they had fingerprints of the crime scene, none matched. they had footprints at the crime scene, didn t match ray. there were several blood stains on her underwear and several blood stains on her pants. nobody ever looked at that before the trial. they just assumed it was the victim s blood. reporter: plord submits the blood stains for dna testing. the result comes back. the blood doesn t match krone or the victim s. we had reason to believe the truth was coming out and would be coming out and i would be freed. reporter: five years after the rape and murder of kim ancona, krone s second trial begins. once again, the state s case hinges on the testimony of the same bite mark expert. for a second time, he present it is video and detailses how krone s teeth made the bite mark on ancona s breast ares saying