reporter: tim thompson, owner of associated microscopes , was asked by the neighbor to examine a slide of that feather. they grow under the claws of an owl. when they attack something, they leave behind these small particle feathers. reporter: thompson peered through his microscope, studying bloody strands of hair found clutched in kathleen peterson s hand. tangled in the hair were not one but two minute bird feathers. a surprise he says to the detectives and an assistant da watching in the room. i think they were surprised because of the lab had not found the second feather. bill peterson was interested in the results, too. a review of the slides showed what? traces of bird feather? yes. yes. exactly right. in her hair. another very, very compelling fact. reporter: what was most compelling about the idea that an owl attacked kathleen, the supporters thought, was how it accounted for the distinctive lacerations on her scalp. had the three main talons of an
but two minute bird feathers. a surprise he says to the detectives and an assistant da watching in the room. i think they were surprised because of the lab had not found the second feather. bill peterson was interested in the results, too. a review of the slides showed what? traces of bird feather? yes. yes. exactly right. in her hair. another very, very compelling fact. reporter: what was most compelling about the idea that an owl attacked kathleen, the supporters thought, was how it accounted for the distinctive lacerations on her scalp. had the three main talons of an owl, like these, caused this bleeding head wound when it swooped down? symmetrical tears. we had an ornithologist who said thyself said these tears are consistent with an owl claw. you think of the characteristic trident like talon claws? yes, and as we all know scalp wounds cause plenty of bleeding. that she panicked. obviously, you d run in the house to get away from the owl.
in kathleen peterson s hand. tangled in the hair were not one but two minute bird feathers. a surprise he says to the detectives and an assistant da watching in the room. i think they were surprised because of the lab had not found the second feather. bill peterson was interested in the results, too. a review of the slides showed what? traces of bird feather? yes. yes. exactly right. in her hair. another very, very compelling fact. what was most compelling about the idea that an owl attacked kathleen, the supporters thought, was how it accounted for the distinctive lacerations on her scalp. had the three main talons of an owl, like these, caused this bleeding head wound when it swooped down? symmetrical tears. we had an ornithologist who said thyself said these tears are consistent with an owl claw. you think of the characteristic trident like talon claws? yes, and as we all know scalp wounds cause plenty of bleeding.
tangled in the hair were not one but two minute bird feathers. a surprise he says to the detectives and an assistant da watching in the room. i think they were surprised because of the lab had not found the second feather. bill peterson was interested in the results, too. a review of the slides showed what? traces of bird feather? yes. yes. exactly right. in her hair. another very, very compelling fact. reporter: what was most compelling about the idea that an owl attacked kathleen, the supporters thought, was how it accounted for the distinctive lacerations on her scalp. had the three main talons of an owl, like these, caused this bleeding head wound when it swooped down? symmetrical tears. we had an ornithologist who said thyself said these tears are consistent with an owl claw. you think of the characteristic trident like talon claws? yes, and as we all know scalp wounds cause plenty of bleeding. that she panicked. obviously, you d run in the
particle feathers. reporter: thompson peered through his microscope, studying bloody strands of hair found clutched in kathleen peterson s hand. tangled in the hair were not one but two minute bird feathers. a surprise he says to the detectives and an assistant da watching in the room. i think they were surprised because of the lab had not found the second feather. bill peterson was interested in the results, too. a review of the slides showed what? traces of bird feather? yes. yes. exactly right. in her hair. another very, very compelling fact. reporter: what was most compelling about the idea that an owl attacked kathleen, the supporters thought, was how it accounted for the distinctive lacerations on her scalp. had the three main talons of an owl, like these, caused this bleeding head wound when it swooped down? symmetrical tears.