? tonight, the voluntouri trap. tring halfwayaround the world, dong your time and money, to a children's orphanage, only to over it's ect opposite of the safe haveyo >> busesses built to break your heart and your bank. >> were t children told to tell the white people they were orphans? >> yes. >> yes? >> we're on the case. tracking down one of the men who profited from the dark side of summer vacation. >>id ever abuse kids? >> no. they'd get a snow ne. the u.s. women's gymnastics team takes the gold. led by a 19-year- gir who has the gymnastics world

gold medals than any woman in history, simone biles has already raised the bar. what doe take toecomeuch a sension? rnghe boat. >> that's ri >> what's got dwayne "the rock" johnson fast and furious with male costars? a ringside viewf his explosi social media smackdown. first the "nightline 5." >> what's up? he new recipef beful is excellent. the first ingreen is chicken. >> t had t hide the bag, he would try to p hut face in it all day. you le it so much! i feel when he eats beneful he turns into a puppy again. it's proteins, vebles, grains, sounds like aner i'd make felf.or mys >> it's a big ba have some of mine. >> now with real chicken as the number one ingredient.

>> goodevening. thank you for joining russ. it's a grong trend in travel, voluntourism, do-gooders hoping to see the world while supporting a worthy cause. but things are notays what they seem. tonight a shocking investigation into suspect orphanages in nepal. here's abc chief foreign correspondent terry moran. >> repor welcome to kathmandu, nepal. a mecca for mountain climbers and spiritual seekers alike. it is also a major hubor travelers who are lured byhe t opportunity to give something back, called voluntourists. >> hello. >> reporter: nepal's orphanages attracted voluntourists from around the world,t of a booming billion-dollar

with western young backpackers. >> ited snd sitive. a schoolteacher i was interested in volunteering. >> reporter: moira waterfall was 29 wn she took a trekking vacation in nepal. she heard about an orphanage called happy home from fellow hikers. moira dided to teach english there. she made her own fund-raising website to help the orphanage raise money from outside donor and the man who ran the orphage, seen here in this video. then one day a shocking encoun changed everything. i ran into one of the children at we in the orphanage and she was with a woman who was old enough to be her moer. aunty, they call you aunty. she said, he's a bad man, trying to explain to me what happened, really upset, in broken englis i didn't understand, i didn't know who this woman was wh her. y knowledge, the majority of these children were orphans.

as an abaoned streetchild. but she told moira this was her mother. >> she started explaining to me th m was steing their stuff, te waha h physically ing them. >> reporter: word spread among the volunteers who helped bring a case. he was found guilty of sever child neect. >> nobody wants to belie wn youut time and energynd love and moneyo int something you thin good, that it may not be. it's ahorrible, shocking feeling. >> moira psonally raised she knows herellow volunteers raised tenf o thousands more while there are some legitimate orphanages in nepal, experts he warn tt t often voluntourism fees end up going into the owner's pockets. more often than not, the kids aren'tuay orphans at >> they get volunteers to come, they create websites. of course, you know, the foreigner's heart is just broken and they just give and give and give. >> reporter: this is anna howell

american ng next generation nepal. they work with the nepali government to rescue children from orphanages and bring them to this transit ho everd hey il was rescued from a orphanage. well-meaning feigner are funding -- >> exactly. >> a traffic regime? >> yeah. >> reporter: her how it works. orphanages in nepalan get ousands in donns from foreigners. buthey ne children to get this m. so they send agents into rural pants to send their kids to e city. >>n tse remote villes, desperate poverty. a traicker shows . what'she pitch? >> it could be someone that's got high status, dressed ll, promises onsorship, boarding scho , health care. >> the pents turn the children over to the trafficker? >> they see this as a way o helping their children to ha better life.

>> reporter:has what next generatial says happened to shila, rushila, and sudib, siblings from a small village outside kathnd the organization says the three children were rescued from a neglectful orphanage in a raid at was broadcast on local tv. >> was it a bad place? how was it bad? >> reporter: they say they were beaten. >> hit the botto oou they we underfed, had tuberculosis. >> were t children told to tell the whiteeople they were orphans? >> yes. >> you were supposed tel them no mom, no dad, you were orphans? >> yes. >> reporter: unicef estimates 85% of childrenn orphanagein nepal have at least one living parent. the child welfare board keeping

makingters worse, the devastating earethquak that struck just last year,reatin more chaos that human rights groups wn cld lead to more orphanage trafficking. notice the website for happy home was still being updat. could they still be open for business? ? ? home ? rr: my producer posed as a potential volunteer. ? happy home ? >> reporter: has nearly 100 children in his care. our producer a him about the abuseonvict he bd it westerntt >> could you exphat you mean by that? >> i was in jail also. >> for what? what were you in prison for? >> kidnap. >> kidnapping? >> reporter: in addition to the

abuse, he was put onrialor dn and fraud, charges which were ultimat dismissed. >> how do y explain thet that you have 100 kid your house, y have these charges and fines you're paying for child abuse? how do you explain that >> actually, happy home is -- already we spent more than ten years here. and the case was just one and a y it might not be true. >> did you ever abuids? >> no. there is no proof. it's just propaganda. >> reporter: he says he's appealing the court decision. when the government does rescue kids they often hand them over to next generation nepal, who works to reunite them with their families. >> you guys are going home, how are you feeling? >> reporter: the siblings are

ordeal. >> happy! >> happy? ? >> reporter: the children's mother and grandmother say they sent them to an orphanage in kathmandu in the hopes of an english education. they were devastated to find out the children were not being red for. >> are we close to home? >> yeah. reporter: today they're being welcomed home by their grandmother. >> hi, sweetie! >> reporter: a moment years in the making. >> your grandchildnre home

>> reporter: according to martin, finding children's families can be like finding a needle in the haystack, but the end result is worth it. >> it's wonderfuleeing em here now in their village with their grandmother. >> reporter: a happy day for the siblings. but there are many more cldren like them still waiting to go home. >> you reall want people to come to nepal, an ohanage is not good. most of them are scams, they're not real orphanages. >> reporter: terry moran in kathmandu, nepal. up next, u.s. women's gytics tm sticks the landing in rio with the help of 19-year-old superstar simone biles. later,hy is dwayne "the rock" johnson throwg stones at some of his costars?

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at 19 she's the top of sport. she has her own signature move, one few others dare even to att. medals in rio on top of those she scored with her teammates. wee with simone biles as she prepared for her dazzling olympic debut. >> we are final five!man. >> reporter: tonight thein f five taking home the gold. the winning u.s. gymnastics team flipping, tumbling, and vaulting to olympic glory. they were prohibitive favorites but the moment was sweet as the

raman rushed to simone biles' side. the han spring sealing i with a flawless floor routine. teammates surrounding her, raisman planting a tender kiss on her head. biles is said to be perhaps the best gymnast all-time. th sest woman on the u.s. te at 4'8". three years.t a ction in so taleed, in fact, she even movehas a amed after her. the biles. amy boorman is hercoach. >> she flips backward with a stra ht body two times on a second flip she does a han andan forward. toyoung to compete in thewas london games. but since then she's been on fire. >> sometimes i hea the crowd cheering. and most of the time likeour body'sn auto pilot so metimesn after i do a

do that? >> reporter: the ear-old gymnast is the-time world all-around champion. the first woman to win the title three times in a row. she's earned 14 medal in the world championships, 10 of which are ld. "nhtline" sat down with her before the u.s. olympic team trials to find out what it takes to make gymnast h?istory. >> on mondays anesdnd weds i ain 12:30 to 5:30. tuesday, thursday, friday, i train 9:00 to 12:00,nhe 3:00 to 6:00. saturday we practice 1:00. reporter: the frc work ethic and raw talentarning her coaches.ation of legendary today she is the best gymnast in the world. >> reporter: bela karolyi w's coached nine olympic champions including the greats says simone compares to the vy best in olympic gymnastics history. >> back athat time it was solute perfection.ion.

considered the wonder child of the sport of gymnastics. now simone's time is coming up. >>eporter: to get a spot on the podi, as 1976 gold to bring when itt counts.got it's not only how good you are technically in mntics. how good you are here too. to put your best routine when the judozen this. >> reporter: pure that simone mom she's feeling herself. >> i think simone tries hard not to pay attention to what expectation is of others. lievbe there's more pressure on me than on simone bau i am so nervous. i am just a wreck. >> reporter: she says simone was like spring from the time she was a lite girl. >> if i would describe simone, al jumping. alwaysliing. i don't thk somimone ever walked

gymnastics was an accident that happened after ald tp was canceled. >> they did an in trip instead and ended up going to bannon's gymncs. i still recall simone coming home w note saying, would we consider her joining the gym? >> reporter: simone's biological grandparents adopted her from foster caret age 5. with their unwavering support, simone sprouted. >> they always travel to my ets an do wver i need. i'm rlly grateful for i think every time i go and compete they're so excited whenever i do well, because they know how hard i've put in. >> reporter: her coach, amy boorman, remembers t moment e saw her the first time at age 6. >> i was like, what isith this kid? she did aroundoff backhand spring her very first time in class, said my brother taught it to me in the bkyd. >> reporter: it's those handsprings that set her apart, sayser coach. >>wingxact whe youre in the .ea some peopleave incredible

while flipping and twisting and knowing exactly when to bring your feet to the floor so that you don't die. >> reporter: it's that grit that smile, and all those medals that have caught the attention of corporate sponsors. householdames likerocter & gamble's tide pods. >> is small but mighty. i think i pareired up with them because it reflects on my gymnastics. >> small can be powerful. >> reporter: beforehe commercials and fame there was sacrifice, lots of it. forcing her to miss out on moments most teenagers cherish. >> ihought that like i was g out on public school a going to all the football games or prom or homecoming. but then once i think back to it i'm like, well, yeah, i can say i've missed a prom but i've been tohree worldhaionships and they won't ever get to say that. so i think it's a win-win. >> split and wrap good. she'sajor rock star. when you have people like mary

saying she probably the greatest gymnast they'vever seen in their lives? that's a really deal. >> reporter: tonig she's one step closer toving that's the case. she's favored to win four more medals in the individual events. >> i guess what's on the line for her is it would solidify her as the bes ever. >>ter: in fact, she's just twoals away from becoming thmost-decorated american gymnast of all-time. >> you kind o feel everything, like all your hard work put into th o especially like with the tea you all get to share that memory together and it's something you'll remember forever. >> reporter: for "nightline," i'm matt gutman in rio. and> next, strong words from a strong man. "the rock" had to say about some of his "fast and furis" costars. m billy, and i quit smoking with chantix.

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about some of his "fast 8" costars. the "fast and furious" stars are known for high-speed chases. >> vision hundreds, right? >> that's right. >> and action-rama. but for dwayne "the rock" johnson, the real drama seems to be behind the scenes. the "fast actor furious with some of his male cost takin to instagram candy -- you fill in the rest. the posts going viral with more than 3 million view "the rock" didn't stop there. this time arou hs promising a very authentic performance. when you watchhi m next april and it seems like i'm not acting in some of these scenes and my blood is legit boiling, yo right." >> smell what "the rock" is

thinking about america's many great performances at the olympics tonight, we're reminded of the wor of the great vince lombardi. perfection is not attainable, but we chase perfection we can catch excellence. thank you for watching abc news. join us for "good morning america" tomorrow. as always we're online at abcnews.com and our "nightline" facebook pag good night, america. toni a "fastnd furious" feud, the ro's on-camerat. which co-stars have his bood

sync reunite >> plus, mariah carey my-busting aboard her ialian yacht. atwh i made up? >> this is somethinthat somebody actually said? what's it like date taylor swift her ex-boy taylor lautner tells us. >> what's >> i'm sorry. who is conducting this interview? >> now for august 9th, 2016 is "entertainment tonight." dwayne the rock johnson ripped his "fast" co-star, unprofessional. he's so mad that his own blood is quote legit boiling. >> look, nancy, apparently the is furiou here's the thing, which cast members does he put o blast? we're breaking it down for you