Page 27 - Touch Dna News Today : Breaking News, Live Updates & Top Stories | Vimarsana

And the physical evidence seemed to confirm it. sam's dna was not found anywhere on cathy or her car and his clothes, the ones he gave voluntarily to police, had no dna of cathy's on them. but that behavior of sam's which bothered cathy's family, also bothered police, and they focused on him. however, when investigators took their suspicions to the orange county d.a., the outcome was not what they expected. >> coming up, sam has a new woman in his life who soon discovers his old life. you were a little freaked out by that? >> well, yeah. love. only activia has billions of our live and active p...

There were blood and hair samples that had never been sent to the crime lab. and when those samples were analyzed, they pointed to a whole new suspect. new dna and a new man in the hot seat. >> he sat there and put his fist in front of his mouth to keep himself from talking. >> when the promise continues. and after work. he does it all with dr. scholl's. only dr. scholl's has massaging gel insoles that provide all-day comfort. to keep him feeling more energized. dr. scholl's. born to move. [kno♪king] ♪

Those clothes to the police. he let them search his house too. and he willingly gave samples of his hair and blood. but something about sam's behavior the week cathy was missing bothered her family. mary said she'd repeatedly paged sam looking for cathy, but he was slow to respond. he call you back? >> not at first. >> reporter: but eventually he did? >> eventually, yes. >> reporter: and he said what, he hadn't seen her? >> he hadn't seen her. >> reporter: to all appearances, that was true. and the physical evidence seemed to confirm it. sam's dna was not found anywhere on cathy or her car and...

>> reporter: people would want those memories to come back. >> yeah. if he had a memory that he killed her, that certainly is a memory he doesn't want to relive. >> reporter: after listening to the interviews time and again, the evidence whisperer had no doubt sam killed cathy. but could the team prove it beyond a reasonable doubt? >> ultimately in cold case murders, time becomes one of our friends, because technology changes. >> reporter: at the time of the murder, dna tests could only be done on big samples like blood spatter. but in the years since, analysis became possible for touch-dna, t...

>> reporter: which means they tried very hard to make a case and they couldn't do it? >> they tried very hard. that's right. and they figured, based on their review, that they couldn't do it. >> reporter: and some of the reasons were apparent from the get-go -- >> when you look at it on its face, this case is a real tough one. >> reporter: for one thing, there was so much evidence they didn't have against sam. >> there was no murder weapon here. we had no witness. we had no confession. we had no dna. so you can look at it that way, in a conventional review. and yeah, it looked really tough. >>...