was and is an experienced policeman. he's been on the force for 18 years. so what about that milky white substance he says the sheriff told him was found in jennifer's body, which was at the heart of pat's suggestion that jennifer's death could have been caused by some inappropriate sexual event involving tom? >> how does he know? by coincidence, he writes this script where he's bringing ice cream to the murder scene. and lo and behold, the detective has this milky white substance in the vagina. >> reporter: but aren't you taking two and two and coming up with five? >> no, i don't think so. >> reporter: he's fictionally writing about him being there with ice cream. >> and you think it's a coincidence that he shows up in his script that he places himself at the murder scene minutes before his sister's murder and he's bringing a substance that after fire could be melted down and be a milky white substance? do you think that's a coincidence? i don't. >> reporter: why would it be white? maybe it's chocolate ice cream. >> well, they didn't say that. >> reporter: well, you don't know, do you?