reporter: police briefly detained sam, but he was back home by morning. now daron wyatt focused on javier. and we really approached it very low key. we think that you can really provide some great information for us. would you mind coming down with us and talking. reporter: they brought him down to the station and listened patiently as he distanced himself from cathy torrez. he d never been shopping with her, never changed a tire on her car, never carried groceries. we went through the whole litany of things that reporter: and he s all, oh no, no, that s would reporter: that s all true. i m a million miles away from her ? right, right separated himself. reporter: but in so doing, javier ruled out any innocent explanation for finding his dna and fingerprint on her car. so when police told him that s exactly what they had found it was like vapor lock. and then all of a sudden he said, well, you know, this one time i was at the video store, and i saw sam
cause when you re depressed you do things. remember, this interview happened while cathy was still missing. sam seemed to be implying she might have hurt herself or that another boyfriend might be involved. i mean, look, she, she s had, i know she s had a lot of problems in the past with boyfriends. reporter: then there was the 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 [ bleep ]. but he never shows any emotion about the fact that this gal h
sam s claim that cathy never tried to contact him after she disappeared. i thought she was going to page me on friday. she goes somewhere, and she never paged me on friday. we know that cathy s mom paged him 20 or 25 times in a matter of at least a couple of days, trying to get him to contact her because he s so close to cathy and she s missing. reporter: montgomery noted a key detail about those pages. mary s home phone and cathy s home phone are the same number. they re the same numbers. reporter: so, seeing that number on his pager, how did sam know it wasn t cathy? if he knew she was alive, he would know he got 20 or 25 pages from cathy, or at least think that. if he s guilty and he killed cathy, he knows those 20 or 25 pages were not from cathy. reporter: that was tell number two. then montgomery noticed how, in his second interview, sam referred to cathy s murder. you know?
don t receive botox® if there s a skin infection. tell your doctor your medical history, muscle or nerve conditions, and medications, including botulinum toxins, as these may increase the risk of serious side effects. with the botox® savings program, most people with commercial insurance pay nothing out of pocket. talk to your doctor and visit botoxchronicmigraine.com to enroll. back in 1994, police suspected sam lopez of killing his sometime girlfriend, cathy torrez, but they couldn t make the case. one big reason sam s cousin, javier, who told detectives he was with sam the night of the murder. javier was sam s alibi. so he wasn t suspected of being part of the murder, or even being at the crime scene. that s right, yeah. they were looking at javier
were saturday night, this last saturday? sure. we re asking everyone. no. that s fine, that s fine, i understand. i was up in corona. i was helping my friend, a friend of mine moved. reporter: sam told police how he and his cousin javier helped their friend move in the afternoon, and then he said he dropped javier off at his home. where d you go from there? from there i went to my girlfriend s store. and i was there till, shoot, till they closed, which was around 8:00, a little bit after 8:00. then let me see, what did i do that day? somebody paged me, i think. oh, i picked my cousin up again. so if we had to contact everyone that you mentioned, you know, you could get the names and addresses, phone numbers. sure. they could confirm where you were on saturday night? reporter: and sure enough, they did. police spoke with javier who corroborated sam s story. javier told investigators