up next, he kidnapped an 11- year-old girl and held her captive for 18 years. tonight how authorities finally captured phillip garrido own freed jaycee dugard. and why police want to know if garrido may have abducted several other missing children. it has been two years now

since a stunning story emerged from the town of lake tahoe. by the time she was found a 21- year-old woman with two daughters fathered by her abductor. since then phillip and nancy garrido have plead guilty. during the time he held jaycee dugard captive he was visited by parol agents. the report called the handling of garrido clearly substandard and systematic of problems.

>> reporter: nancy garrido was an active participant and was the one who snatched her off a south tahoe street 18 years ago. that was according to attorney cardoza who says he spoke to a detective involved in the case. >> they, nancy and phillip were outing for someone to kidnap. and when phillip garrido saw jaycee he said her, i want her, the good looking one. >> reporter: but there were too many kids around. >> reporter: they waited to the next day when jaycee was alone. that's when nancy, got out of the car, grabbed her, pulled her into the car and the kidnap was done. >> reporter: nancy garrido had a chance to release jaycee

after her husband went on parol. >> she had jaycee, she is protected. whey didn't she go to the police, why didn't she tell police what was going on? why, because she was involved. >> reporter: still, nancy garrido's attorney says she is suffering. >> i'm sure you understand that this is a horrendous thing for her. i mean i realize it's horrendous for jaycee and her parents and the children. >> reporter: the former u.s. attorney who prosecuted phillip garrido for a 1976 kidnapping and rape in reno says that case and the dugard case are strikingly similar. in 1976, garrido took his victim to a storage shed with a cot and mattress. >> he knew exactly where he was going to take her once he had decided on his victim. he jump forward to this poor jaycee, he has a storage facility in his backyard. he has everything in there to hold her. i don't know how much more

similar they can be. >> reporter: and cardoza also remembers the meeting between dugard and her mother. >> reporter: it brought the most hardened of them, the most seasoned of police officers to tears. >> reporter: last week the el dorado prosecutor said he had determined that phillip garrido kidnapped and assaulted a total of four women in the south tahoe area in 1976. his history of sexual assault assault appears to have begun early. a woman came forward to say he had assaulted her 24 years earlier when she was only 14 years old. >> reporter: the unidentified girl now 51 said she and another girl went to the antioch public library in 1972 to meet some boys who turned out to be older than they

thought. >> they met mr. garrido and another male who's identity she does not recall at the time. they got into a vehicle with mr. garrido and were provided barbichuets. >> reporter: the woman said that garrido gave them drugs, they eluded police and went to their home. the next thing she remembers is waking up days later only a mile away from garrido's present house. >> she was repeatedly raped and sexually assaulted at that time.

eventually parents located her at the location. phillip garrido went under wraps for years, that's until he visited a university wants to hold a church conference. and something just did not add up. >> reporter: uc berkeley staff campbell and jacobs were praised for good work in helping to break this case. campbell says garrido first walked into her office, campus special events on monday saying he wanted to hold a religious meeting at uc berkeley. >> my initial thought of him was it was clearly unstable. the girls appeared to be extremely, they were very quiet, very subdued. they were not responsive. >> reporter: the girls had robot like behavior and she wondered why they were not in school.

she got garrido's name and told him to return on tuesday. then he called on jacobs who did a background check and discovered his rape conviction. he returned and spoke about his rape conviction. >> he threw out 23 years ago i was arrested for kidnap and rape. >> reporter: garrido said the girls were his daughters and that they had an older sister who was 28, who turned out to be jaycee dugard. >> he stopped me when i said he brought in his two daughters. he said he doesn't have any daughters. my stomach just sank. >> reporter: as for campbell and jacobs, they say they are

just glad their gut instincts led to the garrido's arrest and dugard's discovery. and a bit later, why the contra costa sheriff apologized. i want to crush more cars.

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you don't. i do. just eat yoplait light. they have great flavors like... boston cream pie, raspberry cheesecake. even though i work here, i'veost weight. wow. yeah. carry on. (announcer) 28 delicious flavors at around 100 calories each. when authorities found jaycee dugard and they discovered the man that kidnapped her, they began to wonder if he was implicated in other disappearances. garrido and his wife were living with his mother in antioch. investigators began an intensive search of garrido's

property looking for clues to other crimes he might have committed. >> reporter: crime scene technologies swarmed the garrido home this morning bringing with them crates of specialized equipment and several search teams. this new search is aimed at finding evidence in two other cases. the 1988 kidnapping of 9-year- old mccayla garrett and 13-year- old ilene mitchell. >> our aim is to very thoroughly search the properties with our own cases in mind knowing what we're looking for in our cases. >> reporter: investigators say similarities with the dugard case led to this search. for example the victim's striking resemblance. police also point to the likeness between a suspect sketch and garrido's appearance

in the late 70s and 80s. >> witness reported seeing her get into it. that vehicle description was similar to a vehicle which has been removed from this property in the previous search of the property. >> reporter: investigators say nothing in the evidence previously taken from the garrido home specifically led them to renew their efforts into these decades old cases. >> from what i know of the tips that have come in, this is one of the strongest leads we've pursued thus far. >> a week later investigators wrapped up their search and talk about what they had and had not found. reporter david stevenson was there. >> it began at 7:00 a.m. as officers and the fbi gave a last push to find buried evidence tieing phillip and nancy garrido to the disappearances of two bay area girls. crews sifted through trays of

soil excavated from the garrido's backyard. pointed as grounds of interest by a gps. >> some of the examples of that are chunks of concrete, tree roots and even in one case a floor mat. >> reporter: bone fragments previously found here and in a neighboring yard are being analyzed to determine whether they are human or animal. the dig included dozens of investigators searching for garrett and michelof. >> i think if we're digging we are digging the entire yard and knock down the house. we are going to dig until we get an investigation. >> reporter: it took about a half hour for investigators pack up their gear and pick up

stakes. he is still a suspect. the investigation now turns to items confiscated from inside the garrido house. >> we have boxes and boxes of documents to go through and read what we think are writings of phillip garrido we want to see what he has written and when. the missed students for authorities to free jaycee dugard years before they found them. and later, what the garrido neighbors had to say after he was arrested.

when authorities finally found jaycee dugard the question that came to many people's mind is how she could be held in a populated area for nearly 20 years and go undiscovered. since then fingers have pointed at both parol agents and law enforcement officers. two months after garrido's arrest the contra costa sheriff's department confirmed it had received an anonymous tip in the jaycee dugard case.

a caller told the sheriff's office in 1992 he thought he had spotted the missing girl in a gas station in oakley in a yellow van. the gas station is less than 2 miles from where jaycee had been held. authorities seized a dilapidated light van from the property. ktvu's maureen naylor reported in august of 2009, he apologized for that failure. >> reporter: i offer my apologies to the victims -- >> i offer my apologies to my victims and i've accepted responsibility for having missed an earlier opportunity to rescue jaycee. >> reporter: the contra costa county sheriff says that missed opportunity came on november

30th 2006. when a neighbor called 911 reporting young children living in several tenths in garrido's yard. >> the caller also said that garrido was psychotic and had a sexual addiction. >> reporter: the sheriff says the responding deputy spoke with garrido in the front yard and left a half hour later reporting no criminal behavior. >> we missed an opportunity to have intervened earl littler. we are beating ourselves up over this and we'll continue to do so. >> reporter: the sheriff offered no excuses but noted, garrido would still be in prison today if he had served his full 50 year prison term

for a nevada conviction in 1997. three years later jaycee dugard was kidnapped. he was paroled in 1999 at which point he registered as a sex offender in contra costa county. >> last year the california department of corrections put together a consorted effort to track down paroled sex offenders. as claudine wong reported, part of the emphasis for that was the jaycee dugard case. >> reporter: law enforcement teams gathered before dawn this week across the bay area. >> open the door. >> reporter: their target, sex offenders who violate parol. in this case, curfew. >> i had a seizure friday night. i said, i thought everything was going to be all right, because i was going to call my parol officer and let them know. >> reporter: they have a goal, to check on every paroled sex

offender in the state. our cameras got a look. >> operation safe playgrounds follows criticism after jaycee dugard's discovery. the department of corrections promised changes especially after a large parolee at large. >> we were hoverrering around 19, 18% as a state and the national average was quite a bit lower. >> so us three are going together in the front. >> there's going to be a living room to the right. >> reporter: since january, parol apprehension teams have been charged with locating every parolee at large whom

they consider a high risk to public safety. >> it bumped up significantly. this is our full time job. >> he's wearing a white and brown striped shirt. hold on we're going to talk to you right now. >> reporter: they found many the p.a.l.s. the term for parolees at large. >> we've gone from 16 to 17% down, we're down 10, 11% now. >> currently right now you're on violation of parol for a dirty test for cocaine. >> what do you think about this positive drug test? >> i don't know. >> reporter: the 140 police agencies statewide were focused on sex offenders but sometimes netted other parolees. they say this man is a former gang member on the run since august. >> how you doing, man.

you wanted aren't you. >> that's it, i don't want any more questions. >> reporter: agents say it's about checking everything, shoes, home, everyone the serial box which hid a laptop computer. >> there was pornography found on the computer. >> reporter: when officers find anything, even a portable phone, they are taken in. >> other than that phone, i would be staying here. >> and sometimes it's about checking. >> how do you sleep? >> you need more people doing what we're doing. >> that would be optimal. and you will hear from phillip and nancy garrido's neighbors and what they said after their arrest. to-cover. . thanks. would you mind if i cut the lawn this weekend? only if you let me talk to your mother on the phone for hours on end. done. [ male announcer ] u-verse brings peace to the family. at&t u-verse lets you record four shows at once from any room and play them back on any tv. get u-verse tv for only $29 a month for 6 months.

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after phillip garrido's arrest for the kid kidnapping

of jaycee dugard and rape and holding her for 18 years, neighbors say they had no idea what was going on there. >> reporter: officers scoured the backyard of the property. neighbors began compiling the inigma of a man. >> that's kind of freaky and that's the vibe i got. >> reporter: she and others say garrido made romantic advances on teenage girls at a party.

they checked the megan's law and found garrido was one of several convicted sex offenders living in the area. despite that they said they had no warning signs that he would be accused of kidnapping and raping a child and holding her captive at 18 years. >> there's nothing more i could have done. >> when i first met him i spoke to his wife. i said hi ma'am, how are you doing. and she ignored me. i thought, is she deaf or something? i really thought she was deaf. >> i always thought he was a weirdo. didn't have he had kids. one day i wanted to look over the fence because i always had the hebee jeebez. and he had a fence where he nailed sharpened nails on it. >> he was the only one that would come out and do the

watering of the yard. >> the young lady is like what the f is going on. it's like a -- she said it's a bunch of little girls back there with all these men. and so there was no ladies present. it was men and little girls. so that was like red flag. >> a spokesman for the contra costa sheriff's department says because garrido was a registered sex offender, deputies would show up every day on the same day, garrido's birthday. next door neighbor robinson said he could not believe it. >> all they had to do was look over the fence that day and be done. that day. >> reporter: garrido was sentenced to three life sentences. he was immediately sent to a high security section of

cockrin state prison in fresno for safety reasons. garrido is currently segregated while he is -- nancy garrido is now in the reception center for new inmates in the california women's facility. a prison spokeswoman told us she is currently on single cell status but has quote interacted with other inmates in the yard and in the dining hall. and that's it for this week's second look. i'm frank somerville, we'll see you again next week.