Seconds. Good evening. Thank you for joining us. Tonight we begin with the shocking crime that landed two Virginia Tech students behind bars. Accused of kidnapping and murdering a 13yearold girl. Now were learning new details about how they allegedly planned their horrifying step by step plot to end the girls life with chilling detachment. Abcs eva pilgrim takes us inside the case. I never had one of my friends die. Reporter she was the sweet virginia middle schooler found murdered. Tonight the details of Nicole Lovells short life and gruesome death coming into focus along with new concerns about the dangers of social media. She seems like she was a nice girl. Any understanding of why they behalf made fun of her . Just because its middle school. Reporter nicole faced terrible medical problems as a child. At the age of 10 months old, colie received a liver transplant and fought for her life. Reporter the scars were fading, she was older, making connections on social media. Thats why she started going to facebook. Someone to give her attention, make her feel loved. Reporter making that awkward transition from childhood to young adulthood and her friend says she was meeting men online. I found out she was dating a guy that was over the age of 18. You could tell he was way too old. Reporter shortly after, she says, another mysterious januaryman. January 27th, nicole climbed out her bedroom window carrying only her phone and a minion blanket. I have had it to right here with people suggesting that this little girl is somehow responsible for all of this. What does she know about the girl was lured out holding on, clutching on to her binky, her minion blanket. Reporter the police say she snuck away to meet this man and why wouldnt she have trusted him . David eisenhower was a track star, goodlooking, successful. I realize in the moment that i am doing things that other people wish they could be doing. Reporter hed been on television. Yet i still have goals for myself because there are people who are better than me. And i will personally not stop until i reach my peak performance. Reporter nicole never came back. Soon almost 1,000 volunteers were searching and authorities scoured for leads until they were able to track the last messages from nicoles phone leading them to eisenhower. The investigation led us to 18yearold david e. Eisenhower, a Virginia Tech student. Reporter with eisenhower in custody authorities soon locate nicoles body, 80 miles away in north carolina. Its about two miles from a home im sure that its something nicoles family would like to know, why did she have to end up here, left in this condition, discarded in the manner she was . Reporter the investigation leading authorities to identify and arrest what they say is an accomplice, a friend and another student from Virginia Tech, natalie keepers, charged with helping eisenhower dispose of the body in these woods. Im assuming that it was probably done after dark and they may have thought they were further away from the road than they actually are. Because theres no lighting out here. Reporter prosecutors allege keepers also helped eisenhower plan the gruesome murder, plotting for weeks, they say scouting locations, and even buying tools. When Police Showed up to talk to keepers, prosecutors say she immediately tried to warn eisenhower, texting him police. It was then she allegedly told fbi investigators eisenhower killed noik ankle and put her body in his lexus, keepers allegedly saying she was excited to be a part of something secretive and special. Thats really a stunning there is a great deal of callousness about that. She and eisenhower discussed how the murder would be committed, cutting this little girls throat, as though theyre talking about an object. Reporter retired fbi profiler dr. Mary ellen otoole saying this is a complicated case with multiple motives spelling disaster. Theres synergy that came together that made this a very lethal pair. A very preliminary determination of the cause of death is stabbing. Reporter for nicoles mother, its too much to bear. Her favorite color was blue. Nicole was a very loveable person. Nicole touched many people throughout her short life. I cant do that part. Reporter while authorities wait for the results of an autopsy they have concluded that nicole was using a messaging app called kick to communicate with about possibly dangerous encounters. Im willing to say kick is a devil for young children. Its like a free ability to text. Anything you want. Parents cant see the phone numbers that are coming in and out. Reporter experts say many of these anonymous apps are popular with teens and predators. You can sign up as anybody you want to be. It really becomes a private hunting preserve for some of these pedophiles. Reporter heres how kik works. Download the app for free, add any name and any photo, send messages, photos, and videos, and you dont even need texting service. Parents sometimes take away these data plans thinking that, well, the child has abused it. But they only need a wifi signal to be ageble to communicate. Reporter abc reached out to kik who told us kik cooperated with the fbi for their investigation, kik cooperates with Law Enforcement to combat child predators anywhere in the world, even upon provision of a court order or emergency sorted by geographic location, by school, by age. How do you keep your family safe . The first thing parents need to do is set ground rules. Secondly, know the technology, know how the Parental Controls work. Third, they need to talk to their kids, have ongoing conversations about safety, so that kid when it comes time makes that safe and smart decision. Reporter and its not just kik. There are many other apps kids can use to hide things from their parents. Blogger liz gambener showed david wright how easy it is to hide incriminating photos. When you open it up and i type in my password and hit the percentage sign its a hidden photo album. Reporter sending photos as easy as point and click. Kid swap the files in apps such as snapchat, kik, yik yak, whis per, making sharing large numbers of files fast and easy. Kids will always be savvier of us, thats the nature of the game. Reporter nicoles friend carrie said she tried to tell an adult months ago after she noticed nicole was communicating with an older man. I went to the officer at my school. And wrote down his name on a piece of paper and handed it to him. Reporter the Blacksburg Police department denying she alerted the officer about eisenhower saying, had a student or even nicole herself reached out to him in advance of her disappearance about anything that could cause concern, he would have act the on it through the appropriate channeledschannels. Did you make this up . No. I think if he would have done something he could have seen the guys on her facebook and he could have stopped all of this. Reporter nicoles family filing into court wearing blue ribbons hour before her burial, mourning a daughter gone too soon. A preliminary hearing for eisenhower has been scheduled for march 28th. Next, inside the super bowl how madison avenue is rewriting the play bookbook on how americans enjoy the biggest sporting event of the year. Counting down to tomorrow nights big gop debate right he abc and the one thing you can count on seeing. The bold nissan rogue,with intuitive all wheel drive. Because winter needs a hero. Now get a 199 per month lease on the 2016 nissan rogue. Nissan. Innovation that excites. This is a body of proof. Proof of less joint pain. And clearer skin. This is my body of proof that i can fight Psoriatic Arthritis with humira. 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And you count the seconds until red lobsters lobsterfest is back with the largest variety of lobster dishes of the year. Like new dueling lobster tails with one tail stuffed with crab, its a party on a plate and you know every bite of lobster lovers dream lives up to its name. Hey, eating is believing. Here in vineland, home of progresso, we love all kinds of chicken soups. But just one kind of chicken. White breast meat chicken every time. So if youre not going to make your own chicken soup tonight, do what we do. Make it progresso. Look at this sweet face. So sweet. Ok, were going to need a napkin its the nfls biggest game of the year but its also the highestrated show on television, making the super bowl the perfect marriage of sports and media. This years expected to generate, get this, 377 million in advertising revenue. And while the stakes are high for the teams on the field, they and the ad agencies across america. Abcs nick watt takes us inside some of the nations most creative minds. Reporter sunday night theres one battle on the field caught for the touchdown reporter men in tight pants, hard helmets. Off the field in commercial breaks theres another just as intense. America has seen the light and theres a butt in front of it this behind the scenes battle is between women, men in beards and buns, working from industrial space, doodling. Madman was then. This is the greatest advertising opportunity since the invention of cereal. Reporter this is now. In this battle deploying every weapon from amusing it girl its not too big. Like you could handle it. You used to call me on my cell reporter to canadian rappers. These changes dont ruin the song at all. Reporter recently deceased rock stars. Star man reporter athletes. Youre holding it upside down. Really . Reporter ugly aliens. And septuagenarian celebrities with socks on their hands. There are those who expect more. Reporter every slot costs roughly 4. 8 million for the air time alone. Its up 75 in just the past 10 years. Why . Because over 110 million will watch sunday night. The highestrated show on television. Youre talking about an audience that is larger than any other audience out there. Reporter and then the bragging rights. Ive never been a professional athlete but i know what its like to be a professional marketer. Raising to be on the biggest game of the year. Reporter the way doritos does it, competition, a 1 amateur submissions which they air sunday night. Here are two of the three finalists. Me and the dog the stars in this one. The schtick is dogs like doritos too . Exactly, everybody likes doritos. Competing with huge ads created by mega companies, we dont have all that access, so weve got 30 seconds to make people relate and maim peek laugh and remember it. Relate, laugh, remember. Yeah. Reporter for the adobsessed, youtube offers their ad blitz channel where fans can watch and vote on their favorite commercials. What is up, guys . Reporter videos from social stars like millennial ava gutowski part of the draw. Its about the concept. No matter if youre putting a ton of money mind it or one little blog camera, people are going to go to whatever they want to watch. Reporter the big dogs also leverage social media, leaking teasers, trailers, sometimes the its now the norm. When it comes to game day, if youve seen this commercial already youre going to say, wait a minute, everybody, stop, put your beers down, check this out. Reporter this is the david and goliath agency in l. A. Doors will open to reveal the new optima reporter well call them team kia. Their walken kia spot is already racking up hits on youtube. What is that . The new kia optima. Reporter in manhattan, Team Bud Light airing their offering early online. So far, so good. On track i would say. America has seen the light and theres a butt in front of it reporter now to deutsche in l. A. 2011, they intentionally leaked this gem for volkswagen. And set a trend. Why put it out there before, we thought, if theres that much thrustirst and hunger for this content, just give it to them, just lean into it. So that blew up huge. Then the next year, everybody was doing that. Reporter but this year they are team taco bell. And taking a different tack. The toppings would stay in better if we flipped it. Its become standard now for brands to drop their ads early. Everythings out of the bag sometimes a week, two weeks before, you know, the spot even comes out. But this year taco bell and i think a lot of advertisers this year have chosen to hold back. I dont think as many people are showing everybody what theyve done before super bowl sunday. Youre holding it upside down. Really . Reporter there are teasers. James harden really does not know what hes advertising. Taco bell wont talk about the product theyre launching until sunday. They wont show the commercial until sunday. Everythings a mystery. I mean, how top secret can a you can preorder the product, 700 people as of this morning preordered something they dont know what it is. Thats genius advertising. Youre selling something to people they dont know what it is. You dont know what it is but you already want to eat it. Preorder now. Do you know what it is . No idea. What can they do to a taco . Reporter who wins this and arguably the bigger battle sunday night . It stands to critics, sales, social media reaction, and the looks on friends faces. Looking around the room seeing people yeah, yeah. If theyre actually hey, nice, you did pretty good, thats great, brad. Thats not good. Not good, thats the fake one. Then theres, that was good thats the one im looking for. Ive got something for you, girl. Knowledge. Anywhere you want it. Reporter im no stranger to the ad game. We made this for nightline a year or two ago. Long story as to why. Anyway. Process begins, a challenge. Im a very difficult client. We have a tv show called nightline. You need to think of a super bowl commercial for our tv show. Ideas, come on. Youre all crazy people, throw them out. Nightline is better than any other show . We are better at topical news but funny. Do you want to tug at the heart strings . No, i dont want any schmaltzy stuff. I want belly laughs. Like smutty bell laughs. If you guys were the first to create an icon outside nontraditional icon, like maybe a talking cat. Reporter stay with me. Do you have an enemy . James corden. Seth meyers and james corden. So take down seth meyers. Fall asleep to us instead. Reporter is they nowhere near as inspiring as Christopher Walken with a sock. Heres why. As much as wed probably love to come up with a great super nightline right at the table today it would take eight, nine months. Reporter the goal of every agency is and forever has been to upstage this. The commercial that started all this super bowl commercial battle back in 1984. Apple. Can anyone trump it this year . We shall prevail reporter schumer perhaps . Thats why were forming the bud light party. Reporter walken . Pizzazz war hawk, this is good dont know really what it is reporter or whatever it is in that taco box. Im nick watt for nightline in los angeles. Next, counting down to the battle for the granite state. Well have a preview of tomorrow nights final republican president ial debate right here New Hampshire primary. music woman ill never remember all the projects, presentations, or meetings i gave up my nights for. musics drums intensify but days like this, ill never forget. Get out there, in the 2016 ford escape. Be unstoppable. This is my fight song take back my life song music if you could see your cough, its just a cough. Youd see how often you cough all day and so would everyone else. 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Its my goal to keep the lights on and everything run smoothly, and no one even notices. announcer we may be a power company, but the true power in our communities finally tonight, the race for New Hampshire and the stakes couldnt be higher in the republican contest. Donald trump will be front and center for their final debate moderated by our own david muir and martha raddatz. Giving us a sneak peek tonight. Hey, good evening. The excitement is mounting here at st. Anselm college in manchester, New Hampshire, as our abc news crew is putting the finishing touches on our debate stage. Top three candidates donald trump, ted cruz, marco rubio tomorrow night and if theres one thing we can count on its some heated exchanges. All the candidates are gunning for momentum. Just ahead of the crucial New Hampshire primary on tuesday. Everybody wants to make their mark, survive this debate, and move forward. But it may be the last chance for some. Thank you, martha. Martha and david muir will moderate that debate tomorrow night at 8 00 eastern, 7 00 central time, right here on abc. It was former president george h. W. Bush who said, if anyone tells you americas best days are behind her, theyre looking the wrong way. Thank you for watching abc news. Tune into Good Morning America tomorrow. As always were online on our Nightline Facebook page and abcnews. Com. Have a good weekend. Announcer the following paid presentation for perfect cooker is brought to you by Tristar Products incorporated. Does the mealtime grind have you losing your mind mixing, blending, stirring, and rescuing . Introducing the perfect cooker. Now you can make perfect rice every time with just one touch brown rice, white rice, wild rice, any rice perfect grains, too oatmeal, quinoa, grits. How about pasta cooked from dry right in its own sauce, the best mac and cheese ever, infused with flavor and so gooey delicious . 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