i still think about her family. up next on exotic dancer vanishes. >> it was driving me crazy that she didn't come home. >> was a jealous boyfriend in involved or was she simply a run away. >> she could have met someone who had money, someone who improved her life. >> but a police dog and a burned key point to a violent confrontation. >> i watched forensic files, csi, i just feel like there's no hope. there's no hope. instead of finishing high

school, smith dropped out and worked as a dancer. >> i didn't approve of it. i've always talked to her about getting a job. it's a lot safer. >> one night shamia didn't return home after work. concerned, her family called police. >> she's a very special young lady and all we want is for her to come home safe and sound. >> in a search for answers, police questioned shamia's boyfriend. >> the boyfriend reportedly had some drug vofr meinvolvement. he was living with her at her parents home when she went missing. he had seen her the day she went missing. >> he told police she left for work around 3:00 p.m. >> the boyfriend's story that your girlfriend is leaving and meeting a stranger. this would leave most people to conclude that maybe the story

wasn't true. >> her family gave police a potential clue, someone had left a message on shamia's cell phone at 11:55 a.m. before shamia left for work. >> first saved message. hey i'm back in town. give me a call. i wanted to know if you wanted to get together. bye. >> the significance of this message was enormous. it gave the police and investigators another avenue to go down. >> the number was traced to a wealthy local businessman. 56-year-old kenneth otto. >> we found out that mr. otto was an outstanding person. he had a family and wealth and kids. he was a somewhat industrial business owner. had no prior record and liked to hang around strip clubs .

ken otto was a regular at a strip club where she worked. he admitted that he had given shamia a ride to work that afternoon. >> he said that he called shamia and when he called her she requested that he bring her to work because she didn't have any transportation so he agreed to bring her to work. >> he said that he last saw her going through the front doors and then he drove off. >> but police found another customer who insisted that he had given shamia a ride to cahootz that afternoon. his name was harold brown. another regular customer. he claimed that he not only dropped her off at the club, he stayed and went inside for a few hours. he also claimed he drove shamia home later that night but according to her family, she never made it inside. so police now had two men, both insisting they were the last

ones to see shamia alive. shamia's boyfriend was still a suspect but where was shamia? how did we do it last time? i don't know... i forget. feeding your lawn need not be so difficult neighbors. get a load of this bad boy. whoa. this snap spreader system from scotts is snap-crackin' simple -- just snap, lock, and go. [ scott ] feed your lawn. feed it! just snap, lock, and go. and i get a lot in return with ink plus from chase i make a lot of purchases for my business. like 60,000 bonus points when i spent $5,000 in the first 3 months after i opened my account. and i earn 5 times the rewards on internet, phone services and at office supply stores. with ink plus i can choose how to redeem my points. travel, gift cards even cash back. and my rewards points won't expire. so you can make owning business even more rewarding. ink from chase. so you can. how did i know? well, i didn't really.

see, i figured low testosterone would decrease my sex drive... but when i started losing energy and became moody... that's when i had an honest conversation with my doctor. we discussed all the symptoms... then he gave me some blood tests. showed it was low t. that's it. it was a number -- not just me. [ male announcer ] today, men with low t have androgel 1.62% testosterone gel. the #1 prescribed topical testosterone replacement therapy, increases testosterone when used daily. women and children should avoid contact with application sites. discontinue androgel and call your doctor if you see unexpected signs of early puberty in a child, or signs in a woman, which may include changes in body hair or a large increase in acne, possibly due to accidental exposure. men with breast cancer or who have or might have prostate cancer, and women who are or may become pregnant or are breastfeeding, should not use androgel. serious side effects include worsening of an enlarged prostate, possible increased risk of prostate cancer, lower sperm count, swelling of ankles, feet, or body, enlarged or painful breasts,

problems breathing during sleep, and blood clots in the legs. tell your doctor about your medical conditions and medications, especially insulin, corticosteroids, or medicines to decrease blood clotting. so...what do men do when a number's too low? turn it up! [ male announcer ] in a clinical study, over 80% of treated men had their t levels restored to normal. talk to your doctor about all your symptoms. get the blood tests. change your number. turn it up. androgel 1.62%. get the blood tests. change your number. turn it up. first the cookie at check-in. then a little weekend to remember. join us for the celebration package. with sparkling wine, breakfast and a late checkout. doubletree by hilton. where the little things mean everything.

. 2 customers of the cahoots gentleman's club claimed they both drove shamia to work on the day she disappeared. one of those men, ken otto took a particular interest in shamia. >> other dancers at the cahoots that kenneth otto would spend more time with shamia. he would give her extra attention. sit next to her. buy her drinks. talk with her. >> ken otto also admitted he had given shamia $500 to continue her education. >> and i told her nobody is going to give you $500 just for nothing. you had to do something and i was like promise me you won't never go alone with anybody again like that. you can't trust everybody. >> in ken otto's version he

claimed shamia walked into the club on the day he gave her a ride but the club's security tapes disputed that. >> we viewed the video surveillance tapes from cahoots and found that she never entered the establishment on the day she went missing. >> in harold brown's version he not only claimed that shamia went into the club after he dropped her off, he also said he went in too and stayed for several hours. >> again, the security tapes didn't show shamia or harold brown in the club that day but the security tapes from the date before explained brown's confusion. >> it was determined that he brought her home the day prior to her going missing. brown had simply gotten his dates confused. >> it was apparent that he was being truthful.

there was no motive why he would establish why he would commit a crime. >> so police focused their attention on ken otto since he left a message on shamia's phone several hours before he admitted picking her up. on a hunch shamia's sister decided to try sub terve uj. she called ken otto and left a message on his voice male. >> i left him a message saying call me when you get this message. she never received a phone call back. in a was very tilling because now you ask yourself why wouldn't he call her back then and ask how she's doing? >> when police asked ken otto directly if he'd ever had a sexual relationship with shamia, he said that wasn't possible. >> he told us that he was unable to perform sexually due to some

surgery. a condition that he had. he has erect yiel dysfunction and was not very successful. >> investigators checked shamia's cell phone records and discovered that five days before her disappearance she made two cell phone calls that bounced off a tower direct lay cross the street from a 75 acre piece of land owned by ken otto. >> we thought maybe there's a possibility she might be there being held against her will. we had officers on the ground and i directed that they go into the property and confirm that there was no one there in need of assistance. >> police asked ken otto if they could search the property? >> he agreed to consent search of his property on easter sunday. >> when police arrived, they noticed construction equipment. a trailer, some vehicles, and a fire pit.

>> there was some heavy burning in the fire pit. there was the smell of fuel but something else bothered investigators, apparently otto didn't mind the police looking around but the cadaver dogs were another story. he became very upset when the dogs arrived. it appeared to me that he was worried we were going to find something. >> there was a wood chipper on the property. there's history of cases in the past where people have used wood chippers to dispose of human bodies. >> at this point convinced he had cooperated as much as he needed to, otto asked police to leave. >> when someone grants a consent to search of their property, they are entitled to revoke that. >> but this time the cadaver dogs had already picked up a scent in the fire pit.

>> one of the dogs found a chunk of flesh that appeared to be animal flesh. >> once again ken otto had an explanation. >> you might find a beaver. a beaver. i shot one a while back and burned it in the pit. >> okay. >> there was no obvious evidence of beaver being in the fire pit. ken otto explained that he liked to kill animals and chop them up and spread them in the sand. it was disappointing that mr. otto revoked his consent but we knew we would be back. [ female announcer ] hands were made for playing. ♪ legs, for crossing. ♪ feet...splashing. better things than the joint pain and swelling of moderate to severe rheumatoid arthritis. if you're trying to manage your ra, now may be the time to ask about xeljanz. xeljanz (tofacitinib) is a small pill,

not an injection or infusion, for adults with moderate to severe ra for whom methotrexate did not work well. xeljanz is an ra medicine that can enter cells and disrupt jak pathways, that comes with ra. xeljanz can lower your ability to fight infections, including tuberculosis. serious, sometimes fatal infections and cancers have happened in patients taking xeljanz. don't start xeljanz if you have any kind of infection, unless ok with your doctor. tears in the stomach or intestines, low blood cell counts and higher liver tests and cholesterol levels have happened. your doctor should perform blood tests before you start and while taking xeljanz, and routinely check certain liver tests. tell your doctor if you have been to a region where certain fungal infections are common, and if you have had tb, hepatitis b or c, or are prone to infections. tell your doctor about all the medicines you take, and if you are pregnant, or plan to be. taken twice daily, xeljanz can reduce the joint pain and swelling

of moderate to severe ra, even without methotrexate. ask if xeljanz is right for you. of moderate to severe ra, even without methotrexate. hey, i heard you guys can help me with frog protection? sure, we help with fraud protection. if there are unauthorized purchases on your discover card, you're never held responsible. you are saying "frog protection"? fraud. fro-g. frau-d. i think we're on the same page. at discover, we treat you like you'd treat you. fraud protection. get it at discover.com we'll be here at lifelock doing our thing: you do your share spontaneous moments thing, alerting you in ways your bank alone can't. get lifelock protection and live life free.

could mean less waiting for things like security backups and file downloads you'd take that test, right? well, what are you waiting for? you could literally be done with the test by now. now you could have done it twice. this is awkward. check your speed.

see how fast your internet can be. switch now and add voice and tv for $34.90. comcast business built for business. >> two weeks after shamia smith's disappearance, investigate yoorgs no longered her boyfriend a suspect. >> the boyfriend saw shamia leave the house and walk out and that was the last time that you saw her. >> i blif that telieve that the was telling the truth. >> vagt yeinvestigators were mo interested in the relationship with ken otto, a customer at the cahoots gentleman's club and a piece of land he owned in rural kektic ut.

>> it's about 75 acres. it's landlocked. there's road access to it. >> by his own admission, otto was the last person to see shamia alive when he picked her up at her home on the day she disappeared. >> otto allowed police to conduct an initial search of his property but asked them to leave when he realized they brought cadaver dogs. in order to perform a more detailed search, detectives needed both a warrant and lots of heavy equipment and man power. >> there were two jurisdictions involved in this. there was a substantial rain storm that came during that week that hampered the efforts and they all came together causing an eight day delay. not only could the rain storm have washed away any evident but eight days gave otto plenty of time to clean up a possible crime scene. >> all of our fears are realized when the police go on the property. ken otto is is a full-sized

tractor attempting to bury the frame of his 30 foot trailer that was demolished and burned. >> mr. otto's property looked like man made hell. i person who was in the process of destroying everything. trees, tdigging holes. destroying the dirt road that goes into the property. >> the one thing that otto hadn't destroyed was the fire pit. >> almost immediately, detectives got a break. in the embers, they found a house key. >> i took the key, cleaned it up, policed it in the door lock of shamia smith's home and it unlocked and opened the house so it was shamia smith's house key. >> but this didn't prove otto killed her. in the fire pit police also

found a spent bullet and three shell casings from a .40 caliber handgun. on the ground near the burned out trailer, investigators found a mop, a vacuum cleaner and a large piece of carpet. they looked for blood even though it had been sitting in the rain and mud for days. >> it's definitely a forensic science nightmare especially when you're dealing with mother nature tampering with the evidence and presenting extra challenges. >> the tarpet was marked with a grid of four inch squares which were then swabbed with phenyl and hydrogen peroxide. a chemical that turns pink when it comes in contact with blood. each area that tested positive was marked with a piece of tape.

slowly an unmistakable pattern began to emerge. >> it ended up being an area that was 4 feet by one foot. >> to everyone who saw it, it appears to be a human body. the out line was in human blood but when it was tested for dna, investigate years got a set back. >> no dna was present. it was just too much bacterial contamination. >> investigators were beginning to wonder if they would ever solve this case. ♪ led to the one jobhing you always wanted. at university of phoenix, we believe every education- not just ours- should be built around the career that you want. imagine that.

is all ready the brand ofstate the year.d berkshire hathaway home services. good to know.

that corporate trial by fire when every slacker gets his due. and yet, there's someone around the office who hasn't had a performance review in a while. someone whose poor performance is slowing down the entire organization. i'm looking at you phone company dsl. check your speed. see how fast your internet can be. switch now and add voice and tv for $34.90. comcast business built for business.

in the search for shamia smith, investigators collected dozens of what appears to be bone chips from the fire pit on ken otto's property and sent them to the forensics lab. >> this excel excel acontinue was burned to significantly. the fragmentation was to severe that you had pieces that were the size of a fingernail. it really is look a needle in a haystack. it's an anthropologist's nightmare. >> after close examination, they concluded most of the bones were

human. that didn't mean police were any closer to knowing if the bone chips were shamia's. >> there was a lot of thermal destruction. this would suggest a tremendous fire that lasted forasmuch as days. >> i had never worked with samples that had been so charred and so burned before. so i was very hesitant as to whether i would be able to generate a dna profile from these remains. >> but in a case with so few lucky breaks, the forensic anthropologist finally got one. they found a piece of a foot with soft tissue. >> there was still organic material and still definite the potential of getting dna out of a foot. >> the other challenge that we didn't have a known sample from shamia smith. what we had to do was take the dna profiles we generated from

the tissue and make a comparison to shamia smith's biological he mother and father. >> dna tests revealed that the bone and tissue found in ken otto's fire pit was from shamia smith. >> we have enough evidence to establish that the reason he destroyed all of that evidence is because he violently caused her death. >> two months after shamia's murder, ken otto was arrested at a local airport. he was carrying a briefcase containing $10,000. >> he had toilet ris, his passport and various other items. he also had a small bag with condoms in it and some cealis which is generic viagra. taking mr. otto into custody was a pretty proud moment in my life. >> by his own admission, ken

otto picked shamia up for work but the evidence shows that instead of taking her to the cahoots gentleman's club he drove 30 miles to his property on the outskirts of town. no one knows what happened after that. >> but prosecutors believe that at some point otto shot her and killed shamia inside the trailer with a .40 caliber handgun. then he rolled her body in a piece of carpet, creating the blood stains later found by forensic analysis. then he burned shamia's body. for days in the fire pit. when cadaver dogs picked up the

scent in the fire pit, otto asked police to leave and he had eight days to carry oit the most extensive cover up investigators had ever seen. but he couldn't destroy everything. investigators found shell casings, a spent bullet. shamia's house key. hundreds of bone fragments and even part of her foot which all told the gruesome tale of a needless murder. >> i think she was very naïve about everyone she knew. like she just put her trust in everyone and you cannot do that. ken otto was tried and convicted of shamia's murder and tampering with evidence. >> at the end of the day, he's a cold-blooded killer.

>> for that reason mr. otto you can stand up. i will bring you into the custody of the commissioner of corrections for a period of 60 years. >> it was a great feeling not only to bring the case to an end but also again for the family to have a good outcome for the family was very important to me. >> for virtually everyone involved, the most difficult aspect of the crime was determining ken otto's motive. >> mr. otto exhibited sadistic behavior with his treatment of animals. he may have been deciding to carry that kind of behavior to a higher level and harm a human being. we couldn't understand why he would do what he did. >> we all have unanswered questions. we couldn't even have a proper funeral for her because there was nothing to have. >> it may look like a pile of burned fragment that's are completely unrecognizable but in the hands of a trained forensic

anthropologist they will find something uniquely human and they will tie him to that victim. >> mr. otto thought he was going to outsmart us and he was pretty sure of it. he was going to do anything he could to try to outsmart us but no, it didn't work. >> up next, a young woman is murdered after years of domestic abuse. >> he beat her before. he shot at her. >> but the ex-boyfriend isn't the only suspect. >> people will report the crime just to steer suspicion away from them. >> it's a crime where things aren't always what they seem. >> there were hamburger buns thrown all over the bathroom floor. even as a youngster, christina had dreams of working in the news business. >> christina wanted to be a journalist. she said mom, i