Eternity. Now the beloved singer is back in full force with an instant hit. Whats up with the flip phone . But first the nightline 5. Lets give these dayquil liquid gels and go. These are new. Mucinex. Its the same difference. This is max strength and fights mucous. Mucinex fast max. Max strength and fights mucous. Lets end this. Innovative sonic Care Technology with up to 27 more brush movements versus oralb. Get healthier gums in two weeks. Innovation sonic care. Save when you buy. Number one in just 60 good evening. Thank you for joining us. We begin with a major reform for lapd where every single officer is you fitted with a body cam. Will it be cops in check . Abcs matt gutman is with them on the ground. Reporter lapd giving chase, careening around a corner. Were with them. Hands up turn your back towards me get on your knees hands on top of your head lay down on your stomach reporter for officers parras and splenga, nights like this are routine. The images youre seeing are not. Thought he had a gun . Reporter over the past month lapd, which earned infamy with the rodney king video, becoming by far the Largest Police department in the nation to deploy body cameras on all its patrol officers, 7,000 of them. Do you think this will change the lapd in any discernible way . I think it will change all law enforcement. First of all, the lapd is the Biggest Agency thats doing this. But it wont be long before all cops will do this. This is going to become a common piece of equipment for law enforcement. Really the question will be not if you have them, its why dont you have them . Stop, stop, stop reporter over the past years body cameras have been a hotbutton issue thanks in part to videos like these. This reserve deputy allegedly mistaking his gun for his taser in oklahoma city. I shot him, im sorry, [ bleep ], [ bleep ]. Reporter the reserve deputy is facing seconddegree manslaughter charges. He says it was a terrible accident. But perhaps the most publicized example stop, stop reporter an officer for university of cincinnati shooting to death samuel due pose during a traffic stop. The video revealing what the prosecutor called the most asinine act ive ever seen a Police Officer make. Reporter officer ray tensing told other officers right after the incident he needed to protect himself. I thought he was going to run me over, he was dragging on me. He took off, my hand was caught inside. I missed the tires luckily but i was getting drug by him. Reporter the video seems to show a different story. Investigators concluded he was never dragged and never in danger. Tensing was fired from the department and charged with murder. Despite these examples, advocates say the cameras have probably absolved more cops than they have condemned. I think it shows that we believe in what we do enough to put it on film. And this allows that to happen. This is a camera. You can tell by this blinking light that the cameras on. Reporter which is why the lapd is giving us an exclusive look at their new gear. The taser made axom. Taser has seen sales surge over 154 in a year. More than 53,000 of these cameras are being buckled into Police Utility belts across the country still thats less than one camera per 10 cops in the u. S. We spent two days and nights with the lapd doing as they do. All units, code 4. Reporter filming every interaction with the public. Right there. Reporter around midnight, he spots something in the darkness. He guns the engine. In pursuit of a suspected local gang member. You thought he had a gun . Yeah. Reporter theres a scramble in the alleyways to find him. Until now their dash cams would have only captured the car chase. Those new cameras now capturing the foot pursuit, the stop, the frisk. Close quarters contact that is often the source of complaints about excessive force. This young man knows whats coming. Earlier this year the officers say he was charged with grand theft auto and the possession of a firearm. He doesnt pay us much attention. What is the tattoo on the back of your neck . Darlene. Reporter while cuffed, artundia searches to see if a gun was ditched. Both of them have significant others waiting for them at home. They do the toughest shifts in one of the nais nations toughest beats. The mission division, aka gangland l. A. And skid row. Made famous by the movie end of watch. Like those cops a decade of experience has honed an almost feral instinct about criminal activity and protecting themselves. They wear the cameras on their hips, near their guns. My personal preference for being on the belt, i want the video to catch the suspects hands. Not only that, but if we get into that situation where we are in a shooting, i dont want my hands blocking the suspects. You cant be here and your hands be blocking. Right. How youre wearing it, your hands would be blocking the suspect. Is it helpful for you . Its only been a week, too early to tell. Reporter the video captures very little. Mostly blackness as we race on a code 3. To what they know will be a prank call. And it jangles as we clamber up to a flophouse, knowing the officers will soon turn back around. They worry with Police Officers feeling under increased threat, when the real thing happens when their life is on the line, the camera will be a potentially dangerous or deadly distraction. What if theres an active shooter in front of me and im thinking about in instead of my gun . Thats the only issue i have right now with this. Reporter another concern, it might not always give a complete picture. In some ways that makes this the product incomplete. Gives you only that one snip pent of time. One piece of the puzzle. Its a big piece. In some cases its going to be a huge piece. In other cases its going to be a smaller piece. It totally depends on when its activated, what the angle is, where the individuals standing. Reporter lapd believes the cameras could protect its officers in the field and in court. And a couple of days before we interviews chief beck, reembedded with another unit that shot a man believed to be armed. Dealing with the public, will we be able to see that . If presented in court it becomes part of the public domain. Reporter that means the public and media will have to wait. Its end of watch. Artundia and spalenka dock their cameras, grateful a relatively uneventful night means they wont have video to review. Matt gutman in los angeles. Next, they publicly declare their marriage vows and their chastity. Then this couple found unexpected infamy online. Plus a belle says hello again and immediately gets a question in response. Why does her shiny new music video feature an ancient flipphone . I sure had a lot on my mind when i got out of the hospital after a dvt blood clot. 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Zantac works in as little as 30 minutes. Nexium can take 24 hours. When heartburn strikes, take zantac for faster relief than nexium or your money back. Take the zantac it challenge. The young woman youre about to meet is proud to prove to her father she kept her promise to stay a virgin until her wedding day. So proud, in fact, she presented him with a serf purity signed by a doctor. Then a photo of her big moment went viral, igniting a firestorm of criticism. Heres my nightline coanchor juju chang. Reporter weve all heard of purity balls where young girls promise their dads theyll remain virgins till marriage. 22yearold brieland bowman took it one step further. I have a special presentation reporter surprising her father, a pastor, with a framed serf purity. I am really excited. Because i went to the doctors. And i got checked out. And my hymen is still intact. Reporter showcasing her chastity in front of her 600 wedding guests. I really wanted to prove to him at another level, dad, your word is good and my word is good and we did it. For her to be able to accomplish something, especially in this society where it is so sexually driven, it was an exciting moment. Reporter the document signed by brieland and her doctor reading in part, to show how i have honored god and my earthly father in my body by maintaining my purity. Even though it was something presented to her, it was still her choice to decide to sign it. It wasnt like it was something that she was forced or made to do. Reporter her husband, 28yearold tim bowman, says he was also a virgin until marriage. Just to say that i was the first person to be with her and vice versa, i think its just something thats special. Reporter when he takes to the mike about his purity, a slightly different reaction. I was worried about seeing there was no way they could verify there was no test they could run on me. You got to take my word for it. Take to it the bank. Theres a double standard here. He talked about his virginity and everyone laughed wit. Right . It was really unimportant. Whereas womens virginity, it really gets very deeply wrapped up in whether or not we think that young women have value. Reporter the couple who dated for three years admits it wasnt always easy. Ive dated people and got in situations where ive come close to not doing what i said i was going to do i dont want to hear that. I dont want to hear that. Reporter the newlyweds honeymooning in dubai when brielands online posts about that purity certificate went viral. Our phones blew up. Whoop whoop whoop whoop whoop we looked at each other. Some of the stuff was seemingly nasty. Very nasty. Reporter thousands commenting. One writing, why on earth is she presenting such a certificate to her father . Another saying, how sexist is it that were giving women away to their husbands as some sort of prize . Where is his certificate . The idea that the most valuable thing a woman has is whether or not shes engaged in any particular sex act is insulting and dehumanizing for women, when we scratch the surface of it. Reporter brielands husband says the negativity didnt shake their faith. To see people support and people have issues with it i think is an empowering thing. Its getting the conversation started. Reporter its not just public ceremonies pushing celibacy, sometimes its public personas. Nick jonas was famously chained to his purity ring. You got me in chains reporter but it didnt work out. Confessing all to wendy williams. Nick . Yes . Are you still a virgin . No. Okay. Just asking. Just to be clear. Taking off the ring could mean youre not a virgin or youre contemplating. No, im an adult in all ways, comfortable with who i am. Reporter selena gomez ditched her purity ring. And long before the wrecking ball, mylie cyrus had a chastity promise. I hope young people who are paying attention learn the right lesson which is that these abstinence pledges do not keep anyone from having sex, right . These celebrities put them on, then when they feel like having sex, they take them off. Reporter according to one study chastity pledges are just as likely to have premarital sex as nonpledge is where they do have sex they are less likely to use protection and Birth Control methods. This is just a reminder, keeping yourself pure is important. Reporter last year nightline visited Caroline Johnson just before her very own purity ball. One of the things that you were talking to daddy about was when am i going to get my purity ring . And one of the things that i thinks important for us to remember is this is your desire to do it the lords way, to really save yourself from kissing lots of toads along the way and wait for your prince charming to come along. So weep that on your finger and its a daily reminder that at this point youre married to the lord. And your father is your boyfriend. Reporter pledging to her father to not even kiss until her wedding day. Get ready to dance the night away. Fathers, stand with me. Will you stand together in this accord . Reporter 60 likeminded fathers pledging to protect their daughters vows. What i hear from young ladies is, theres this need for that physical touch. And from a male being. Thats what i believe the father role is. Lets take those covenants in the middle of your table. I choose before god to cover my daughter as her authority and protection in the area of purity. Theres a pen in the middle of your paper, pick that up and sign that. Then have your daughters witness that. Reporter its an event to remember. A public declaration of chastity. These very public rituals, its a way of evangelizing, a way of saying, this is the standard we should all adhere to. Its a way of trying to make it a cultural standard. The trouble with that is, theres no one size fits all approach to sex. Reporter as for the bowmans . I couldnt be any more happy, more proud. My wife is amazing. Reporter they have one more public declaration. Were not virgin anymore. Reporter for nightline im juju chang in new york. And next, say hello to singer adele. After going on hiatus for years, it looks like she hasnt updated her phone since then either. [tires squealing] charged up. By design. Heart pounding. By design. Looki had the whitest smile. Now im going to show up to the reunion with this whole situation. Oh please. Do what im doing. Use crest whitestrips crest 3d White Whitestrips. Remove 14 years of stains. I knew i recognized that smile. Crest 3d White Whitestrips the way to whiten. Lets get these dayquil liquid but these liquid gels are new. Mucinex fast max. Its the same difference. This one is max strength and fights mucus. Mucinex fast max. The only cold and flu liquid gel thats maxstrength and fights mucus. Lets end this. Finally tonight, pop stars make all kinds of curious artistic choices in their music videos. But tonight, while many of us are celebrating the new emojis on our iphones, adele is making head lines for a decidedly retro move. Hello its me reporter with the simple hello, your favorite shoulder to cry on is back. Multi grammy winner adele dropping her first full music video in years. Seem to be home reporter adole has been lowkey since having a baby. She spoke to bbc radio 1 about the anticipation of a new album due in november. The only reason that people seem to react like how youre saying they are is because i havent done anything else. I have been doing other things. I havent been sitting around. Reporter making history as the first music video to be shot using imax cameras, six minutes of classic adele, a soaring chorus, a troubled relationship. Adele looking to the camera, looking into your soul. The video reaching nearly 20 million views in just one day. Its already happening adeles music is too beautiful reporter videos celebrating the emotional effect her music has on someone like you. Never mind ill find someone like you reporter whats with all those flip phones and that vintage phone booth in this new video . The director, za xavier dolan s newer phones are too identifiable with everyday lives, as soon as you film these elements its like youre shooting with every commercial. I find them to be nonnarrative in the meantimes. A retro choice to showcase a timeless voice. When i call you never seem to be home it was the incomparable Ella Fitzgerald who said, the only thing better than singing is more singing. Thank you for watching abc news. Good night, america