Page 6 - Linking Sam News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Tough. >> reporter: but what really made this case a prosecutor's nightmare was the fact that all the physical evidence pointed away from the man they thought was the killer. any defense attorney would ask, if police found javier's dna and fingerprint, why would they charge sam? were you surprised you didn't find sam's dna there? >> yes. >> reporter: he thought newer, better tests might find sam's dna, but it was too late for that. cathy's family had sold the car. the case against sam would have to be entirely circumstantial. murphy felt the key to that was somewhere in those interviews sam ga...

Out, i mean i can't go chasing after her. you know, 'cause i never thought she was going to -- i mean, this was going to happen. >> reporter: sam shared his suspicions about what had happened to cathy. the same rumors about albert that were circulating around placentia. >> but you know what? hey, it's a possibility that, shoot, somebody else from his family -- i'm not blaming anybody. i'm not pointing fingers at nobody, okay? but why -- why the coincidence that after he hung himself, this happened? why? have you ever thought of that? >> reporter: of course, police also asked sam where he was t...

>> what'd you think when you heard sam was arrested? >> the same that i always had. like, here we go again. >> nothing to it, and he'll be out soon. >> yeah. >> reporter: after all, they'd detained sam once before and had to release him. but as daron wyatt now explained to sam lopez, this time was different. >> "i've told you before that we wouldn't give up until -- until we were able to bring resolution to this case, and that's where we're at now." >> reporter: but just when it seemed the case was buttoned up, daron got a surprising call. remember the request for touch-dna daron had submitted...

>> i think it was a guess sweatshirt. >> reporter: sam readily gave 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 ...

Second interview, the day cathy's body was found. detective wyatt studied that tape, too. >> there was one thing that was important that sam didn't display that you would expect to see in a case like this. >> reporter: which is? >> emotion. he showed more emotion over the contents of a coke can. he picked it up when they left the room and reading the coke can and the ingredients and the number of calories. and at one point he puts that down and picks up a baseball hat he had been wearing, sees dirt and brushes it off and starts swearing about the fact that there's dirt on his hat. >> oh [ blee...