And royal revelations. The stunning news from prince harry about who in his family wants to be king and what he was made to do as a child that he thinks would never happen today. But first the nightline 5. And number 1 is comi good evening. And we begin here with whats been called forbidden tourism. Travelers, many of them young, visiting countries that are considered way off limits. The world of extreme tourism is under extreme scrutiny tonight after the death of an American College constitutionality named Otto Warmbier who died after 17 months in custody in north korea. These photos obtained exclusively by the daily mail are some of the last images of then 21yearold american tourist Otto Warmbier before he was detained in north korea. Ottos a young thrillseeking great kid who was going to be in that part of the world for a College Experience and said hey, ive heard some friends who have done this, i would like to do this. Reporter but after allegedly stealing a propaganda poster from a haute until pyongyang and being sentenced to 15 years hard labor please save my life. Please think of my family. Reporter warmbier fell into a coma during his 17 months in custody, returning back to the u. S. Last week in what doctors called a state of unresponsive wakefulness. Six days later he died. His parents wrote in a statement, otto has completed his journey home. This case has raised so many questions, including what exactly happened to warmbier while in custody . How will this impact the already high tensions between the u. S. And this Rogue Nuclear power . And should americans be allowed to travel to north korea . Otto warmbier arranged his visit through a Company Called young pioneer tours, based in china. On its website the company touts itself as a budget operation, offering trips to places your mother would rather you stayed away from. On twitter they posted pictures of customers skiing in iran and visiting a weapon repair shop in irbil, iraq. Then theres this post asking if you fancy a Weekend Getaway with a difference in chernobyl. The North Koreans lure americans to travel to north korea via tour groups run out of china who advertise slick ads on the internet proclaiming no american ever gets detained off of our tours and this is a safe place to go. Reporter today or producer went to the office of young pioneer tours in xian, china looking for answers about what went wrong on warmbiers trip. So im with abc news. Weve been trying to call for the longest time. Can we talk to you guys . No. Can we talk to is there anyone available to talk on camera . No. We released a statement. And thats all weve got to say at the moment. Are you pushing me are you seriously pushing me out . I just asked reporter at the time of Otto Warmbiers trip young pioneer tours described their excursions to north korea online as extremely safe and answered this question. Im american. Is this a problem . With a chipper not at all. The companys youtube page shows westerners appearing to revel in their new experiences in north korea, from running the pyongyang marathon ah reporter to observing daily life on the city streets. But earlier this week the company told nbc news in a statement that it will no longer organize tours for americans to north korea. There had not been any previous detainment in north korea that has ended with such tragic finality, and we have been struggling to process the result. Now the assessment of risk for americans visiting north korea has become too high. The company also offered condolence to warmbiers loved ones saying we had held on to hope that he might recover. We too are reeling with the shock of a young mans life taken well before his time. Warmbier was just one of hundreds of americans who traveled to north korea every year. North korea has been on my bucket list for some time. Reporter andrew byrne went to north korea just a few months ago on a young pioneer tour, even while Otto Warmbier was being held captive. People were very clear that any deviation from whats expected of you could result in being detained or worse. They were not shy about letting us know that, that its very important that we behave as instructed. These are tightly controlled tours. These are tours that earn hard currency for the kim regime. Its spent on weapons, nuclear weapons, ballistic missiles. Its spent on keeping the elites happy. Reporter this week young pioneer tours announced it will no longer be bringing americans traveling on u. S. Passports to north korea. Meanwhile, the u. S. State department is now warning americans to stay away, citing serious risk of arrest and longterm detention. And officials are considering banning all travel there for u. S. Citizens. In reality, one small mistake can have disastrous consequences when traveling in dangerous countries. Do you have any indications that youre going to get released . Do you have any indications from the iranian government . No. Reporter in 2009 these three americans, sarah shourd, her boyfriend shane bauer and their friend joshua fatale, were captured hiking along the Iranian Border and charged with espionage. They spent more than a year in an iranian prison partially in solitary confinement before being released on humanitarian grounds. I stand before you today only one third free. Reporter it toot another full year for fattal and bauer to be free. Despite the risks more and more people are drawn to extreme travel, according to one study adventure tourism is a 263 billion a year industry. And some people are truly eager to push the limits. This is andrew drurys idea of a good vacation. Here we could be targets for snipers at any time. Reporter over the years drury says he spent holidays in hot spots all over the world, including afghanistan, chechnya, and mogadishu, somalia. I went to the the first time to mogadishu round about about christmas time. I can remember saying goodbye to my children and actually thinking for the first time i could be saying goodbye for the last time. Reporter he told abc lama hasan that he went because he wanted to find the wreckage of the black hawk down helicopter. So that is the black hawk. You do realize youre risking your life by doing Something Like that . Yeah, of course. Reporter drury embarks on these journeys despite misgivings. Papa reporter of his wife and children in surrey, england. I would prefer him to stop. But i think id be changing him completely if i made him stop. Reporter he takes his life into his own hands on trips like this one to iraq. Ahead is isisheld territory. The black recognizable flags. Reporter where he saw the front line in the battle against isis. Someones been shot on this side of the front line. Were pretty much under attack now. Even when the gunfire happened i they seemed to be going about their jobs and i was kind of drawn into the situation. Were returning fire. I hate to say i really did enjoy it. And the adrenaline, the buzz. And since ive come back i havent slept for three days. Reporter the cost of this tripa round 2,800 including airfare. Back here in the United States ottos funeral is scheduled for tomorrow. At the same high school in wyoming, ohio where just four short years ago he delivered this inspiring yet prophetic graduation speech. But there is also a different kind of goodbye. A farewell to something larger than just a friend. I wish there was a way to know that youre in the good old days before you actually left them. We want to remind you to tune in to 20 20 this friday night for an investigation into the unknown details of that American Students death and his detainment in north korea. Next here on nightline Abcs Diane Sawyer takes us back inside a school that was once among the most dangerous in this country. How abc news viewers helped one extraordinary student defy the odds. Its like nothing youve seen. The power of nexium 24hr protection from frequent heartburn. All day, and all night. Now packed into a pill so small, we call it mini. New clearminis from nexium 24hr. See heartburn differently. Better than a manual, and my hygienist says it does. But. Theyre not all the same. Turns out, theyre really. Different. Who knew . I had no idea. So, she said look for. One thats shaped like a dental tool with a round. Brush head. Go pro with oralb. Oralbs rounded brush head surrounds each tooth to. Gently remove more plaque and. Oralb crossaction is clinically proven to. 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And the price is Pretty Amazing too. Its 79. 99 a month. Get fios gigabit connection for 79. 99 per month online for one year and youll also get tv, hbo and multiroom dvr service. Leave cables slower internet speeds behind. Switch now to fios gigabit connection for 79. 99 and get tv, and phone, plus 2 years of hbo and multiroom dvr service. All with a 2year agreement. So hurry up and switch. Offer ends june 30th. Get it now at fiosgigabit. Com. Strawberry Mansion High School was once considered to be among the most dangerous schools in america. Four years ago here on nightline we aired a report from Abcs Diane Sawyer, who spent months at the School Meeting children defying the odds and a new principal trying to turn the place around. Tonight diane has an update about one remarkable student and what abc news viewers did to make it happen. Reporter four years ago we must save the children. Reporter we took you to the school in philadelphia called Strawberry Mansion. Considered one of the most persistently dangerous schools in the nation. Our cameras captured the chaos. A student body on a hairtrigger. A lot of fights pop off for nothing. So youve got to be safe. Reporter and in the middle of it all a new principal named linda wayman. Each day gets scarier. Reporter she was always on edge. Ms. Jackson, can you hear me . Reporter especially at lunchtime with the entire school in one room. I know that they outnumber me. I dont know if i have enough manpower to bring them back. Reporter suddenly we saw a fight between two girls because one had spit on the other the day before. Wayman rushes in to break it up. Calm down. Tack a deep breath. Reporter by the way, during the mayhem one of the students steps in to protect me. We dont want nobody hurting diane. Back up. Reporter fights like those reinforce the need for strict orders. Principal wayman was doing something theyd never done before. Enforce a dress code. And it wasnt about grooming but safety. No boots because boots can be used to stomp heads. And no hoodies. You dont wear hoodies because we cant identify them when they walk through cameras. Reporter she brought in more security cameras. 94 of them all through the school. Back then principal wayman not just worried about student safety but her own. A student had threatened her life. Said to me i have a bullet with your name on it. Reporter but for every student who caused trouble we saw so many who just wanted to learn. Like a small quiet girl named malaysia. It wasnt easy for her. One day after school she got punched in the face by another girl. Youre busted up pretty good. Reporter i caught up with malaysia. Its a little its sore still. Are you scared . Of fighting . Of sometimes of coming to school. Yeah. Because im little. Reporter and later still our cameras were at Strawberry Mansion on parentteacher conference day. Mr. Quigley, im just curious, how many parents have you had come in the last two days . This is the first parent that i saw so far. Wow, really . Reporter out of 70 students malaysias dad was the only parent who showed up. At the end of each day wayman sent this message out to her kids. So many of them heading home to a troubled world. And remember, if nobody told you they loved you today, you remember i do. Reporter week after week we saw linda wayman go student by student to talk about their possibility. The one way to help your family out is to educate yourself. Right . Reporter and in an amazing achievement she helped get 55 of her 92 seniors accepted to college. Like this student, christine holland, who didnt have money for the deposit. So college was out of reach. If i had 550 to go to philadelphia university, i would go. Reporter when another College Dream dies, the unbreakable principal gives in to tears. In the auditorium on an aging piano a School Police officer plays an anthem of hope. And four years ago hope arrived. After our First Special aired, you our viewers came to change lives. Just when i really did think that there was no hope in america, and then you all aired this special. Jesus. I never felt such joy in my life. When them phones started ringing and somebody noticed that were at least trying to make it right. Somebody besides me actually do care. Reporter you sent in donations that helped cover a lot of basic necessities at the school. Ones that are taken for granted at most american high schools like books, calculators, notebooks. And using the energy and momentum after our piece wayman lobbied for something else. Something the school had wanted for 62 years. Its own football team. We got to see the Strawberry Mansion knights. Undefeated undefeated. First season ever. Reporter and of all the surprises this may have been the biggest. Whats up, ladies . How are you doing . Reporter after watching our piece drake, the icon of hiphop, showed up to give the students something amazing. I caught this piece that diane did. By the end of it i was so heavily affected i started like questioning like major aspects of my life. In the next few months im building a Recording Studio inside your school. [ cheers ] this is about you. This is about your principal. This is about your future. I love you. I care about you. I want to see you succeed. Reporter that music studio, in full use to this day. Take your butt to school and get to class cause we cant be friends if you dont pass and another legacy from our viewers. The donations you sent in set up 13 educational funds for seniors to go to college. One of the recipients, that shy girl christine holland. We wanted to come down and offer you the opportunity to study with us and give you a scholarship to be able to do so. Go christine reporter well, four years later look at her now. She was given a full scholarship by philadelphia university. Your donations went toward books and meals on campus. I knew i could do it if i was able to go to school. I just didnt know how i was going to do it. Like how i was going to live on campus, how i was going to eat every day. Im just really grateful for everyone whos helped me out. Reporter now shes not only a College Graduate in accounting christine m. Holland. Reporter she has a scholarship to business school. I do hereby confer upon these graduates the degree of bachelor of science with all the rights and privileges thereto apertaining. Reporter and there is someone else waiting to congratulate her, linda wayman, who has now stepped down as principal of Strawberry Mansion. So wayman whispers once again what she used to say to all the kids. And remember, if nobody told you they loved you today, know that i do and i always will. I love you too. Our thanks to diane sawyer for that incredible report. The year our special aired Strawberry Mansion was removed from the persistently dangerous list and has not been on that list since. Next here on nightline, the revelations from prince harry. Who in his family wants to be the next king . [hissing] uh i [sound of wrench] [intricate guitar riff] [engine starts] [guitar continues] more doing chores for dad per roll more earning something you love per roll bounty is more absorbent, so the roll can last 50 longer. Than the leading ordinary brand. So you get more life per roll. Bounty, the quicker picker upper and now try bounty with new despicable me 3 prints. In theaters june 30. Lobster and shrimp are teaming up in so many new dishes. Fest, like coastal lobster and shrimp, with shrimp crusted with kettle chips. Or new, overthetop lobster and shrimp overboard. But it cant last, so hurry in. Breathe easier with your vicks vaporub. Soothing cough relief that starts working instantly. I own my own company. I had some severe fatigue, some funny rashes. Finally, listening to my wife, went to a doctor. And i became diagnosed with hodgkins lymphoma. That diagnosis was tough. 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My mother had just died, and i had to walk a long way behind her coffin surrounded by thousands of people watching me while millions more did on television. I dont think any child should be asked to do that under any circumstances. I dont think it would happen today. Harry was just 12 years old when Princess Diana was killed in a car crash in paris. Prince harry, fifth in line to be king, also offering insight into a changing monarchy and i surprising revelation on those in line to the throne. We are involved in modernizing the british monarchy. Were not doing this for ourselves but for the greater good of the people. Is there any one of the royal family who wants to be king or queen . I dont think so. But we will carry out our duties at the right time. Prince harry emphasizing the importance of the royal family, explaining, we dont want to dilute the magic. The British Public and the whole world need institutions like it. Though unlikely to succeed to the throne himself, prince harry making it clear he would uphold the royal legacy. Thank you for watching abc news tonight. As always, were online 24 7 at abcnews. Com hey, everybody. Im hoping to make some people very rich today. Maybe milliondollarrich. Man, i love my job. Lets play who wants to be a millionaire. [cheers and applause] [dramatic music] hey, everybody. Welcome to the show. You guys ready to play millionaire today . [cheers and applause] lets do it. Whether shes arm wrestling or playing checkers, our first contestant is always ready to compete. From spirit lake, iowa, please welcome katrina ross. [cheers and applause] hi, katrina. How you doing . Wonderful. Welcome. Whoo [dramatic music] welcome to millionaire. Thank you. Its so good to be here. You are competitive . I am so competitive. Almost to a fault . To a fault. To a fault, im passing it on to my next generation. Okay, you have a tenmonthold son . I do, luke, yes. Luke. Yes, and hes starting to crawl. Yes. And we actually just entered him in a crawloff competition. Where would one find a crawloff competition . You know, it was during halftime of a basketball game. Okay. Uhhuh. And they said, bring your babies out. Said, bring your babies out, were gonna have them crawl. We practiced the week ahead of time. He was ready to go. You practiced . I mean, they just do that, anyway. I mean, he just crawls. They do, but they get distracted. Thats not practice. They get distracted, so i wanted to make sure he was focused, he was fast, ready to go. I hate it when tenmontholds dont focus. I know, its the worst. Like, come on. Its the worst. Exactly, right . Act your age. Yeah, yeah. Ai