no no no this is "nightline." >> tonight, the alleged fake teen doctor chargedng medicine without a license. a year after being caught on surveillance roaming a hospital acting like a doctor. how police say hetients and his family. our reporter goes one on one with the teenager. >> are you in big trouble? >> what prompted him interview. they call him the king of

producer behind some of the decade's biggest anthems like "all i do is win." >> they don't want you to say no wrong -- >> rubs shoulders withashian and justin bieber. but it's his creative use of social media that has sent his fame through the roof. along for a wild ride. and the donald versus the pope. the leader of the catholic church speaking out against ng his christianity. >> for a religious leader to question a person's faith is disgraceful. >> is this finally the feud thats candidacy? or could it actually help him?

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i mean about you inventing it. i invented the story, and isn't that what really matters? so... what else about me? evening and tonight an alleged fraud of such audacity, such tenacity, it boggles the mind. it involves an 18-year-old baby-faced kid raiding as a doctor. police say treating patients out of his own clipping. and wait until you see what happened when he went one on one with abc's matt gutman.r: he has a lab coat and stethoscope. but police say this baby-faced physician doesn't have an m.d. >> are you a fraud? like everything

>> i don't appreciate your tone. >> reporter: to understand why this guy is storming out of our interview, you have tot 24 hours. >> malachi, they say you've been practicing medicine without a r: malachi love johnson or dr. love as he refers to himself was marched out of his west palm beach clinic in handcuffs. >> how do you feel now, allieved in you, that thought that you knew what you were talking about? >> reporter: one other thing, doctor is only 18. >> i'm hurt because of the accusations and allegations. like i said, this is not the first time where i've been accused and i will pursueter: only last year malachi, then just 17 years old, was detained at this local hospital in west palm beach. the walking around the halls in a doctor's coat. >> i believe it said department of anesthesiology on it. >> reporter: witnesses reporting he'd been roaming the hospital month. >> this story was broadcast

like i'm some insane maniac. >> reporter: last month you're affiliate him. >> i didn't snatch up a baby, i didn't do any of that. >> reporter: police snapped this picture of the lab coat in his car. on one lapel, the title t." on the other, his name. the hospital did not press charges, claiming in a statement the individual never had contact with any hospitaldid not gain access to any patient care areas. none of that deterred love robinson. just this past october, a secondthe florida department of health issuing a cease and desist order claiming love robinson was leading the public to believe he was ar while serving as a therapist in another florida rehab facility, but for love robinson, is the third time the charm? the 18-year-old indeed now ns from police. seven of them. including grand theft and fraud for allegedly practicing

>> so are you a doctor of anything? anything at all? >> i do currently hold a ph.d.. in what i don't feel comfortablese that is not the issue here. the issue that i face now is accusations. >> reporter: after being released from jail on a $21,000 bail,at down with abc news. >> do you even have a high school diploma? >> yes, i do possess a high school diploma. >> reporter: the website forctice still active online. his beaming bio referring to him as dr. love and calling himself, well, a well-rounded he's facing a number of serious felonies here with the possibility of up to five years in prison on each ofwas in early january malachi held a grand opening for this medical clinic. that's when police decided to write in an undercover cop posing as a patient. >> the undercover officer who

and that's what's in the charge he undercover officer, when she came in, she merely had her weight taken, her blood pressure taken, and her loung are to. other than that there was nothing out of the ordinary of something that your simple mother would do. >> reporter: police say it was when he started conducting her they arrested him. in a press conference malachi claiming it was all a >> i am deeply saedened and a little disrespected by some of the things that have come forth. >> reporter: this isn't the first time a teenager has been busted for channeling his innery. matthew shied in orlando, florida. in 2011 the young man reporting for duty in an e.r. with a badge as a physician assistant, stethoscope in hand. like leonardo dicaprio in "catch me oots zed confidence. >> do you know if they're hiring

>> what do you want to do? >> i'm a doctor. >> reporter: unlike leonardo dicaprio's character, who got emergency room, shied is drawn to the action. he was also charged for impersonating a police officer. shied was convicted on four felony year in jail, and was released in 2013. but when it comes to malachi love robinson, police are now he too was attempting to pass as a medical doctor. this time in his very own clinic. >> this is the new birthing life >> reporter: last month he proudly proud ly showed off his medical center to a local e wall so they are visible to the public -- >> reporter: that was after he removed his lab coat and sign on the door has his name and those two crucial letters. "m.d." >> the sign on the door was due to be u had training?

i have shadowed many doctors. >> you're saying your training comprises shadowing other real your training comprises a lot of things. >> but you weren't in med school. >> so i am not portraying as an m.d.hat i've gone to school to be an m.d. >> reporter: how does an 18-year-old with no real medical training or much formal schooling at all open a medical ask his business partner, percy wells. he claims to have invested $10,000 in the clinic. >> i feel like i shouldn't judge until i know. when the gavel hit and the juryhat he was lying and the evidence mounts up to the fact that he is a liar, that's when i'm going to say to myself, yep. he's a liar. >> ifestions, a degree on the wall shouldn't be enough. you should go online, do your research, and make sure that the actually a registered

even treated the elderly. among them an 86-year-old woman. police say he treated her recently for severe and charged her nearly $3,500. >> what services did you provide in exchange for that money? >> i can tell you this. merely accusations. and services you'd have to define that. whether she paid forshow up, that's up to her. >> you're not denying the fact that she paid you $3,500 or so? correct? correct? >> no, i am you a fraud? >> i don't appreciate your tone. i don't appreciate the way you're portraying this interview to actually be. >> reporter: then adn't expect. >> i don't know where you're receiving this information from but it is inaccurate. i'm sorry, i'm going to have to cut this interview short. >> reporter: but he hasot cut his medical career short. saying he hopes to open another clinic in the future that is, of course, once he's doneal woes.

in los angeles. the hip-hop producer with top 40 hits and high-rolling friends, what he's doing on social media that has people really taking notice. on the show, the war of words between the donald and the pope. mkx for $399 a month

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he's got hit records and famous friends. but tonight it's what dj ka led has done on social media that is getting him so much attention.

to roll with the so-called king of snapchat for our series "social stars."hey don't want us to smile. >> reporter: apparently there's a list of things they don't want justin bieber doing. >> they don't want us to eat cheesecake. they don't want us to be successful. >> reporter: exactly who's they in the biebs another one of the big-name celebrities emulating this man, dj ou unhappy, they want to finish you, they want you to lose. what we diagnose to do is be the greatest ever. who are they? >> they is basically the hater. the enemy. i don't entertain they. >>eporter: he's the hip-hop producer behind some of this decade's biggest anthems like "all i do is win." all i do is win-win win no matter what my mind >> reporter: over the past few

not because of his music.10-second videos like this -- >> you ever feel stressed out? get a haircut. >> reporter: on his snapchat account. every day ka led minutiae of his life where pictures and videos are posted to a story and disappear after 24 hours. >> egg whites, turkey sausageorter: from morning breakfast prepared by his personal chef, to elliptical talk. >> key is never be afraid of being yourself. >> they don't want you >> reporter: chill sessions with his superstar friends. at 40 years old, dj khaled has become the unlikely king of snapchat with followers. "nightline" is along for the ride. many of khaled's snapchat stories revolve around life his miami mansion where he lives

>> it relaxes he when i water my plants, see the flowers grow, talk to the lion. lion order. phrases. >> another one, just know. >> reporter: keys to success. >> right now on abcjor key, this is big. >> bless up. >> that's my everyday greating.special cloth alert? >> dj khaled, special cloth alert, cut from special eed. >> some people when they see it and don't know you, they think it's an act, is he trying to be funny? is he putting on? >> definitely not an act. i want the world to and this is just dj khaled. >> reporter: ka led's massive snapchat audience equates to marketing where more success comes you've got everybody coming. movie deals. tv shows. r: he's already

recently debuting a line of merchandise called, what else, we the best. and earlier this month he signed an exclusive radio deal with a typical day includes a stop at finger licking, the miami restaurant he coowns. >> feels good to be a restaurant owner. it's part of my dreams of biggest mogul. winning to me is easy. winning more is the challenge. i'm coming out, comingthe fan love? this fan love, it's all over. i just snap something real quickish and right when i snap there was 2.27 million just real quick. somebody introduce you to fan love. fan love!odyguard. no entourage. just khaled. from sneakers to cell phones. >> thank you!

all walks of life. >> i'm like one of his biggest y 21st and they don't want you to celebrate so you know what i'm going to do? celebrate with dj khaled getting out of control. >> i seen kids crying, man. crying, it change mid life. literally with tears in their -- it almost made me cry. >> he estimates 50% of his current fan base are newcomers from snapchat. the other half his music. his first big billboard hit was 2007's "we taking over."ated hits with kanye west and jay-z to name a few. >> singing the national anthem -- >> reporter: he broughtbest studio for a tour. >> a lot of the jay-z records. this went platinum. >> how do you describe yourself?

>> genius.deejay, artist, producer, executive. i make hits, i find hits, i put hits out. i'm a music the theys coming at you these days? >> it confuses me and disappoints me when somebody says, what does he do? my biggest anthems ever. what, they magically disappear? obama walkedow do you like my new entrance music? >> that day i officially said, i made it. >> reporter: a major moment in story. born to palestinian parents in new orleans he cherishes his arab heritage. >> you can say i'm muslim, it's a way of life. i can't say that i followerfect of the way i'm supposed to be doing it. but i know my heart is clean and i have a clean soul and i know got got me. >> is it some of the talk about possibly cutting off muslims coming into this country, things like that? >> when people say that, that's

i that's all i'm about. i'm taking over as principal for the day. school is like life. you will be tested. pass it. >> reporter: he continues toe khaled wisdom far and wide. shocking hundreds of middle schoolers with a surprise visit. >> i want to let y'alllove y'all. for real. and i appreciate y'all having me here. >> reporter: before he left, you know he had to get that perfect snap.se! >> reporter: for "nightline" i'm t.j. holmes in miami. next,d trump is sparring with now? a surprising papal intervention into american politics. trade is all about seizing opportunity. and i' d like to... cut. so i' m gonna take this opportunity to direct. thank you, we' ll call you.

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inally tonight, donald trump has picked fights with fox news, john mccain, george w. bush, and the entire nation of e of it seemingly has hurt his popularity. so what's going to happen now that he's in a public spat with the pope?aken on plenty of opponents. but his latest beef might be the biggest yet. the donald versus the holy e pope was heading home after a trip to latin america when he was asked if an american catholic could vote for somebody like trump given his stance on immigration. he person who thinks only about building walls wherever they may be and not

christian." trump turn the other cheek hit back, suggesting the mexican government was manipulating the pope. >> for a religious leader to question a person's faith is i'm proud to be a christian. they're using the pope as a pawn and they should be ashamed of themselves. the pope should want him in the oval office. >> if and when the vatican is attacked by isis, i can promise you that the only wished and prayed that donald trump would have been president. >> reporter: and at the cnn town halton night, trump not backing n you first heard the pope had said something about you that you thought maybe i'm going to have to ask for forgiveness? >> no, no. look --r: one of his advisers pointing out on twitter the vatican is surrounded by barriers. the cover of tomorrow'saking it several

trump, it's too early to tell whether this latest feud is going to hurt or help him. south carolinans say this saturday when they vote. curiouser and curiouser. thank you for watching "nightline." tune into gma first thing in the always we're online 24/7 on our "nightline" facebook page and at abcnews.com. thanks again for watching and

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