that he had a bandage that was covering a wound on his, uh, right hand. reporter: investigators remembered that bandage when they saw those blood stains inside anna s car. and i observed what appeared to be a red, uh, crimson stain on the seatback of her car. reporter: blood stains on the right side of the driver s seat, and a wound on bob s right hand. is this another stain that i am circling right now? yes, it is. reporter: and when this dna analyst testified, the prosecution thought it was game, set, match. she told the jury those stains were a mixture of dna anna s of course. it was her car. but the other person? he was sitting at the defense table. obtaining that mixture profile was one 1.22 sextillion times more likely if the dna came from anna moses and robert moses, than if the dna came from two unrelated, unknown
i m afraid he will kill me tonight. reporter: so far, the case was all circumstantial, but the state was about to present evidence that it said pointed directly at bob moses, and only bob moses. when investigators first interviewed bob, the day after anna s murder, they saw something. noticed that he had a cut. that he had a bandage that was covering a wound on his, uh, right hand. reporter: investigators remembered that bandage when they saw those blood stains inside anna s car. and i observed what appeared to be a red, uh, crimson stain on the seatback of her car. reporter: blood stains on the right side of the driver s seat, and a wound on bob s right hand. is this another stain that i am circling right now? yes, it is. reporter: and when this dna analyst testified, the prosecution thought it was game, set, match. she told the jury those stains