. >> amber frey had contacted modesto police department on monday, december 30th, 2002. she met with detectives and gave the information about the relationship with scott peterson. and amber frey has been eliminated as a suspect in laci peterson's disappearance. >> he was good-looking, he was nice, he was funny. attendive to me. i really liked him. and felt really good about where things were going. and our conversations and time spent together. >> amber frey was not his first lover outside the marriage. okay? i mean, that's a given. the only thing that had changed is that laci got pregnant. >> i remembered asking him if he'd ever been married. he said no. >> but that wasn't true, of course. and as it turns out, amber's friend, who introduced her to scott, found out said, if you don't tell amber, i will. >> reporter: however, in early december, scott peterson does come clean. sort of. he tells amber that he is married but implies that his wife has died. and just weeks later his wife would actually go missing. >> amber frey started cooperating with police as soon as she l

. >> two forrer modesto police detectives are also featured in the documentary. scott peterson's behavior after his wife went missing. >> i suspected scott when i first met him. that didn't mean he did it but i was a little thrown off by his calm, cool demeanor and his lack of questioning. >> on christmas eve, he was cooperative. in my mind, i'll not thinking he did it yet. but i am documenting all this stuff. when we get to his shop to look at his boat, he tells me i have no power in the shop. meaning no lights. this shop is in a strip mall. it is the middle of the night. there ain't nobody. there it's just us. i'm not thinking that's suspicious. okay, there's no power. do you mind opening the door? i'll put my headlights in. i want to look at the boat. i put my headlights in and i take four or five pictures of the boat. and then later i called and talked to the supervisor to find out when the power was out for that area. tend power is never out for that area. >> so you got in your boat and you took off, did you go very far? >> well, i mean, probably a couple mi

. >> and so i went to the other room and called the modesto police department hotline they had.ths later the bodies of laci peterson and her unborn baby boy are discovered. >> i just thought we got to find scott right now. we knew he was in san diego at th >> we need to end this. take him in custody even though we don't yet have the dna results and that's when scott was by the exit to pines and turned on the red and blue lights and stopped him at the entrance. i went out once the vehicle thery search whole bunstuff in the ca he had like i don't know $14,000 cash, his brother's i.d. camping supplies. some pairs of sho and a shovel d fishing adred. dyedhe looks like he was getting possibly goand hide y n that scott peterson's o a you were running the piece tuzz in tat is it pl lhink at her and they think about what friends family knew at the time which is they seemed like the perfect couple. she's pregnant. look how great she looks. he they say themselves, could this guy have really done that? and i think that that is why the fascination continues and tonight as "20/20" digs deep

. >> and so i went to the other room and called the modesto police department hotline they had. shock. >> reporter: four months later, the bodies of laci peterson and her unborn baby boy are discovered. >> i just thought, we got to find scott right now. we knew he was in san diego at the time. >> we need to end this. we need to take him in custody even though we don't yet have the dna results and that's when scott was by the exit to torrey pines and they turned on the red and blue lights and stopped him right there at the entrance. i went out once the vehicle was there to do the inventory search and just a whole bunch of stuff in the car. >> guy had, like, i don't know, $14,000, $15,000 in cash, his brother's i.d., camping supplies, some knives, 15 pairs of shoes and hiking boots and a shovel and fishing poles. >> at that point he had dyed his hair red. he had a goatee. >> clearly looks like he was getting ready to possibly go somewhere and hide out. >> you know, when you look at this case no question that scott peterson's own words and actions came back to haunt him. >> even wh

family reported her missing from modesto home, she was pregnant. scott told police returned from fishing with new boat and found dog but no laci. >> i remember looking up at stars thinking this is a big world, where could she be. >> want her back. >> all she could do was wait and worry, desperate for answers. >> get all these information from psychics or other people, where they saw her or think they saw her. for some reason always water involved. >> family organized search efforts and rewards kept increasing. >> go to bay area and look at ocean and think there is a lot of water in this state. >> holding on to hope, the family kept in close contact with the detectives working the case. >> suspicious of pretty much everybody, not sharon of course. naked emotions from the heart. >> sharon and family had a change of heart about scott when story surfaced about his mistress, amber frye. laci's brother confronted scott on phone call. >> i was trying to find an enquirer but i couldn't. >> taped phone conversations, pieces of evidence reviewed at the courthouse. >> there's

family reported her missing from modesto home, she was pregnant. scott told policeom fishing with new boat and found dog but no laci. >> i remember looking up at stars thinking this is a big world, where could she be. >> want her back. >> all she could do was wait and worry, desperate for answers. >> get all these information from psychics or other people, where they saw her or think they saw her. for some reason always water involved. >> family organized search efforts and rewards kept increasing. >> go to bay area and look at ocean and think there is a lot of water in this state. >> holding on to hope, the family kept in close contact with the detectives working the case. >> suspicious of pretty much everybody, not sharon of course. naked emotions from the heart. >> sharon and family had a change of heart about scott when story surfaced about his mistress, amber frye. laci's brother confronted scott on phone call. >> i was trying to find an enquirer but i couldn't. >> taped phone conversations, pieces of evidence reviewed at the courthouse. >> there's pictures of

modesto. two men drove the back of a pick up truck into the front of a convenience store... and took off. its happened just after four friday morning. policeen backed the pick up truck into the part of the store where the atm was located. but when the security alarm went off... the men took off. and the truck itself was stolen. surveillance video shows the men stealing the truck just a few hours earlier. it was found abandoned two blocks away from the store.<> <(bill york/ truck owner): "it's kind of crazy. it's crazy that i didn't think we would ever get the truck back and judging from this, i didn't think the truck was going to be in working order."> ( marty ) owners of the store say the damage to the building will cost more than the atm itself. live look outside... san mateo bridge. we took legendary, and made it liberating. we took safe, and made it daring. we took inte

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police have charged a 25-year- old man in the shooting. >>> the time is 7:54. a boy from modestottle boy, is getting a second chance at his elementary school after being suspended for falsely claiming that he had a bomb in his backpack. we told you about jackson riley here last week. he was sent home from school for one day and a letter was issued saying this little kindergartener had made a terrorist threat and it would end up on his school record. the family wanted his record cleared and the school responded. the terrorist threat is no longer on little jackson's record. the school wouldn't give us any specifics about the case but says that lessons have been learned. >> my son has a fresh start. i think it gives us and the school an opportunity to get to know each other again. it all started because he wasn't following his teacher's direction. we hammered that home. when your teacher asks you to do something, you do it. >> the code on terrorist threats only is for kids in the 4th through 12th grades. jackson is only five years old and was just playing around. >>> a meeting was h