because the sisters knew defense attorney bob peterson and his new co-counsel jennifer streano wouldl the old long forgotten gossip about bryan. about what a ladies' man he was purported to be. >> when they went on about how he was a womanizer and he was having multiple affairs -- >> reporter: so she knew it was coming. but in fact, the defense went beyond that and cast doubt on the very idea that this 19-year-old mystery could be solved at all. >> throughout this trial you will have the urge to want to solve this. and that's only natural. but this case cannot be solved. >> reporter: all that immature behavior, said the defense, couldn't change two facts -- that tom had never been a violent person and that not a shred of physical evidence linked tom to the murder scene, said this forensic scientist. >> you never found any fingerprint belonging to tom jaraczeski in any of the items that you tested, did you? >> i did not. >> i mean, they had all of his creepy behavior, sure. but beyond that they had nothing. they had nothing inside the house that connected him to this offense. >> repor