bad. all this was black and blue. my whole side of my face and all up in here was hit by talons. >> is that what happened to kathleen peterson? but critics see problems with the idea that an owl attacked kathleen. problems like, why isn't there more of a trail of blood from the front door to the staircase? and wouldn't michael have heard kathleen being attacked? kathleen's sister candace doesn't believe it for an instant. >> i'm supposed to believe an owl ripped her apart? there is no ripping on her arms of an owl's talons. the thing is so ludicrous. >> and even michael peterson understands the skepticism. whooo done it, huh? >> oh, it's just awful. >> but he says the evidence is worth considering. >> there are feathers. and where were they, in kathleen's hand, so -- >> with strands of her hair. >> with strands of her hair. does that mean an owl did it? i don't know. >> what do you think? >> well, it's a much greater possibility than i did it.