and her husband scott peterson had been married just a few years. they were expecting the birth of their first child. but scott quickly becomes a person of interest in the disappearance of his wife. >> the first person you focus at in a homicide investigation is the person closest to the victim. >> scott peterson says that laci went to walk their dog mckenzie. >> scott finished fishing that day at some point in the afternoon. and made a phone call to laci. >> hey, beautiful. i won't be able to get to villa farms to get that basket for papa. i was hoping you would get this message and go on out there. i'll see you in a bit, sweetie, about. ye. >> scott peterson says he came back home from his fishing trip, minus the fish. and comes in, laci! no laci. >> so what does he do? he goes over to the washi out, takes all his clothes off and washes them. then he gets some pizza out. he drinks some milk and eats some pizza. he goes and takes a shower. and then he calls sharon and says, laci's missing. >> i remember running ar

diane mcinerney has more on the parallels. >> is this young father to be the new scott peterson?> i pray that she's safe. she comes back. >> tyler tessier was all broken up at the emotional press conference four days ago. his pregnant girlfriend was missing and he was making a public appeal for her return and even held hands with his girlfriend's mom. >> laura if you're listening, doesn't matter what's happened. doesn't matter -- doesn't matter what type of trouble. there's nothing we can't fix together. >> but cops say it's all a sick act. they say tessier murdered lawyer what wellen and -- laura wellen and then murdered her in a shallow grave. he allegedly didn't want to be a dad. >> i don't know where she is. that's all. i don't know. >> this comes 15 years after the slaying of pregnant lacey peterson at the hand of her scott in california. another disturbing similarity between the two cases. scott peterson had a mistress and tyler tessier was ebb gauged to another -- engaged to another woman. pregnant laura had just found out according to rockville, maryland police. tell us a

. >> scott peterson was convicted of murdering their son connor and tonight key evidence that helped to break the case. >> the i-team obtained access to more than a thousand pieces of evidence photos, documents and tapes, some before never made public and this evidence was used to put scott peterson on death row. >> hours after lacy peterson was missing scott peterson did his first in depth interview. >> were going to basically take a dog for the walk. >> detective asked him about going fishing on christmas eve. >> when did you realize you were going to go fishing. >> it was a morning decision go play golf at the club or go fishing. >> okay. >> too cold to play golf at the club. >> it's christmas eve, you're going to go fishing because it's too cold to go golfing that's crazy right there. >> the detectives were on the case from day one. >> the first person you focus on a homicide investigation is the first closest to the victim and last person to see the victim and of course we have both of those with scott. >> these photos show every dimension how his boat was measured and height an

. >> scott peterson was convicted of murdering their son connor and tonight key evidence that helpede case. >> the i-team obtained access to more than a thousand pieces of evidence photos, documents and tapes, some before never made public and this evidence was used to put scott peterson on death row. >> hours after lacy peterson was missing scott peterson did his first in depth interview. >> were going to basically take a dog for the walk. >> detective asked him about going fishing on christmas eve. >> when did you realize you were going to go fishing. >> it was a morning decision go play golf at the club or go fishing. >> okay. >> too cold to play golf at the club. >> it's christmas eve, you're going to go fishing because it's too cold to go golfing that's crazy right there. >> the detectives were on the case from day one. >> the first person you focus on a homicide investigation is the first closest to the victim and last person to see the victim and of course we have both of those with scott. >> these photos show every dimension how his boat was measured and height and weight to

used this evidence to put scott peterson on death row for killing laci and connor.first and only in-depth interview with police. detective asked peterson about going fishing on christmas eve. >> when did you realize going to go fishing? >> morning decision. golf at the club or go fishing. >> okay. >> too cold for golf. >> christmas eve, going to go fishing because it's too cold to go golfing. that's kind of crazy right there. >> he and his partner on the case from day one. >> first person you focus on in homicide investigation in person closest to victim and last to see the vichlkt boom, boom, both with scott. >> every dimension of his boat and truck measured and evidence tech close to size of laci to measure how could have been used. >> you're going to drive 90 miles to the san francisco bay in a 14-foot boat, that's -- i know you don't go out in the bay in 14-foot boat. >> in court showed the jury parts of this videotaped conversation to highlight his demeanor. >> i'll be in paris tomorrow. >> new year's eve, five days after she disappeared, police hear scott lyin

used this evidence to put scott peterson on death row for killing laci and connor.did first and only in-depth interview with police. detective asked peterson about going fishing on christmas eve. >> when did you realize going to go fishing? >> morning decision. golf at the club or go fishing. >> okay. >> too cold for golf. >> christmas eve, going to go fishing because it's too cold to go golfing. that's kind of crazy right there. >> he and his partner on the case from day one. >> first person you focus on in homicide investigation in person closest to victim and last to see the vichlkt boom, boom, both with scott. >> every dimension of his boat and truck measured and evidence tech close to size of laci to measure how could have been used. >> you're going to drive 90 miles to the san francisco bay in a 14-foot boat, that's -- i know you don't go out in the bay in 14-foot boat. >> in court showed the jury parts of this videotaped conversation to highlight his demeanor. >> i'll be in paris tomorrow. >> new year's eve, five days after she disappeared, police hear scott

that was last time i saw her. >> scott peterson was convicted of first and second degree murder. death row in san quentin. he's filed for another appeal. turning 45 last month. laci would have been 42 in may and son connor, would have been 14 years old. >> it's been a while but still gripping. >> thanks. >>> it's time for weather. weekend is coming up. >> that's tomorrow? >> it is. think so. sandhya patel. >> i do want to show you time lapse. this is a spectacular time lapse. sun set from the east bay hills camera. not much in way of cloud cover. wisp here and there, stunning sunset. reason we didn't see much cloud cover tonight is wind. breezy in parts of the bay area. sfo gusting to 21. half moon bay, 23 miles an hour. when you look at wind trend, expecting winds to come down, especially heading to tomorrow afternoon. be lighter, allow the temperatures to rise. pick back up again. not as windy as this afternoon. live picture from east bay hills camera, visibility is fantastic, no fog, tracking clouds with live doppler 7. patchy along the san mateo coast. no rain on the screen b

that was last time i saw her. >> scott peterson was convicted of first and second degree murder.n san quentin. he's filed for another appeal. turning 45 last month. laci would have been 42 in may and son connor, would have been 14 years old. >> it's been a while but still gripping. >> thanks. >>> it's time for weather. weekend is coming up. >> that's tomorrow? >> it is. think so. sandhya patel. >> i do want to show you time lapse. this is a spectacular time lapse. sun set from the east bay hills camera. not much in way of cloud cover. wisp here and there, stunning sunset. reason we didn't see much cloud cover tonight is wind. breezy in parts of the bay area. sfo gusting to 21. half moon bay, 23 miles an hour. when you look at wind trend, expecting winds to come down, especially heading to tomorrow afternoon. be lighter, allow the temperatures to rise. pick back up again. not as windy as this afternoon. live picture from east bay hills camera, visibility is fantastic, no fog, tracking clouds with live doppler 7. patchy along the san mateo coast. no rain on the screen but dew point

they describe scott peterson's behavior after his wife went missing. >> i suspected scott when i first 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 miles. we found a pretty little island. it looked like some broken piers around it and i just assumed it

could scott peterson be set free? he's on death row. since being convicted every killing his wife, and unborn child. well, there is new evidence that his some pushing for second trial for this guy. an attorney is here. gus! nice job! gus! heyyy! looking good! (laugh) gus! hi kelly. gus. hey guys! huh? oh, gus! we didn't see you there. yeah. we were just playing gus. gus. the new scratch-off from the pennsylvania lottery. yeah... with top prizes of a hundred grand. you know, you're much cuter in person. aww... (giggling) keep on scratchin'! >> live look at the roosevelt boulevard, disable here would be the left lane right knee fox street, causing delays for everybody, heading through the neighborhood, actually headed northbound, on friday street, in that left lane. jammo 95. barely moving from pretty much bridge street all the way up to woodhaven, put it altogether, about 5-mile jam. all because after early morning accident. ninety-five north, approaching woodhaven road. if you are living in the neighborhoods, watching us now, headed nor

laci peterson killed by her husband scott.his car. ♪ ♪ ♪ ♪ ♪ ♪ ♪ this this proof of less joint pain and clearer skin. this is my body of proof that i can take on psoriatic arthritis with humira. humira works by targeting and helping to block a specific source of inflammation that contributes to both joint and skin symptoms. it's proven to help relieve pain, stop further joint damage, and clear skin in many adults. humira is the #1 prescribed biologic for psoriatic arthritis. humira can lower your ability to fight infections, including tuberculosis. serious, sometimes fatal infections and cancers, including lymphoma, have happened; as have blood, liver, and nervous system problems, serious allergic reactions, and new or worsening heart failure. before treatment, get tested for tb. tell your doctor if you've been to areas where certain fungal infections are common, and if you've had tb, hepatitis b, are prone to infections, or have flu-like symptoms or sores. don't start humira if you have an infection. want more proof? ask your

scott peterson was convicted of killing his pregnant wife, laci.d dan abrams has been covering this since the very beginning. this is so fascinating to people. >> it is hard to believe it has been 15 years since this case started. and there are still people who have a lot of questions about it and tonight "20/20" is digging deep with some of the people who knew her best, the documentary is called "truth and lies: the murder of laci peterson." >> one to dispatch. >> may i help you? >> yes, my daughter has been missing since this morning. she's eight months pregnant. she took her dog for a walk in the park. the dog came home with just the leash on. >> what is your name? >> my name is ron. i'm her stepdad. her husband, scott peterson, is on his way over to the park. >> what's your stepdaughter's name? >> laci. >> tirm i remember the last time i saw laci, scott was sitting on the floor and we were watching tv and she said the baby was kicking so i put my hand on her stomach because i never felt him kick. she leaned over to me and said, mom, scott doesn

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as you'll see, courtesy of paul's high-profile defense attorney, the man famous for defending scott petersonname, mark geragos. >> i've had many a client who i have no doubt was capable of the acts that he was accused of. this is just not one of them. >>> coming up -- in the last hours of jennifer's life, something was caught on camera. does it prove paul is not guilty? >> so you had sex last night with her and videoed it? >> yeah. >> anybody who watches this is never going to have the impression that this was somebody who was ready to kill her. >> when "burning suspicion" continues. i'm leaving you, wesley. but why? you haven't noticed me in two years. i was in a coma. well, i still deserve appreciation. who was there for you when you had amnesia? you know i can't remember that. stop this madness. if it's appreciation you want you should both get snapshot from progressive. it rewards good drivers with big discounts on car insurance. i have news. i've used most of our cellular data. come on, susan lucci! ♪ theso when i need to book tant to mea hotel room,tion. i want someone that makes it ea

the abc7 news i-team gets access to evidence in the scott peterson team. >>> it turns out there's a wayirrels handle their food. tooufrs of berkeley finds they're similar to us when it comes to organizing food. like trick or treaters sort out their halloween candy, squirs sort their nuts by quality varks right and possibly even preference. scientists believe the techniques maximize the squirrel's ability to remember where they stored their most prized treats and hides them from potential food thieves. >>> swedish researchers say a contraceptive app which tracks body temperature is 93% effective. it is based on 22,000 women show the app is even slightly better than the pill in preventing pregnancies. it predicts when a would that will is most fertile and even approved in the eu as a contra september septemberive. >> talking about cancer, the story now from abc news reporter. >> reporter: in our collective fight against cancer, we're winning more battles than you may think. it shows that cancer deaths have decreased by 25% since 1991. that's 2.1 million lives saved and many more to come.

. >> reporter: scott peterson was given the death penalty. and is currently appealing his sentence. tyler tessier is now also behind bars, arrested wednesday. he's charged with laura's murder, destruction of evidence, and providing false information. his bond has been denied. and he's not yet entered a plea. >> in this jurisdiction, it will all boil down to, was the baby viable? at the time of the homicide? if the baby was viable, this is a double murder. if not, just one premeditated malice murder. >> reporter: tessier's public defender did not return requests for comment. as for laura's family, they're now left mourning the loss of two lives. >> god did not give us the miracle that i asked for. but he did give us a miracle nonetheless. we have our daughter back. >> reporter: for "nightline," i'm linsey davis in new york. >>> next, angelina jolie on working alongside her son in her new passion project, the film "first they killed my father." if you've been struggling with belly pain and constipation, and you're overwhelmed everything you've tried--