it's not tim hennis. there's a pubic hair right where the rape took place. >> what is male dna doing underneath eastburn's finger nails and it's not tim's. >> the prosecution and the defense agreed on that. nothing else came back to timothy hennis. underneath the finger nails, that's not timothy hennis', but what is, that vaginal swab. >> to me, male dna evidence under the finger nail of a woman who is raped is pretty damning evidence. who is it? >> the finger nail scrapings weren't enough for a full dna profile. so the defense asked to test all the evidence that might point to a different perpetrator, including a blood-soaked towel. >> now whoever had sex with her didn't necessarily kill her. but you can't argue that someone who cleaned up the blood didn't have something to do with it. let's find out what happened. >> in the military, if you need