his story was made famous in the book called "fatal vision." now he's saying there is new evidence supporting his claim that intruders were in the house the night of his family's murders. here is mcdonald's current wife, katherine, who he married in 2002. >> in light of the evidence as a whole, if the jury had heard that, would any reasonable juror have found jeffrey mcdonald guilty? that's what's being decided. so i have faith in the truth. >> the jury made the correct decision in 1979. it's been upheld by every appellate court that ever looked at it for 33 years and i've heard of nothing that's happened this week that would change anyone's opinion one bit. >> heather: let's bring in judge jeanine pirro, thank you for joining us. >> my pleasure. >> heather: so this new evidence, what is it? >> first of all, it's not new. it's amazing how this stuff starts to get a life of its own. we now have three hairs that are