this is "nightline." >> tonight -- >> the greatest racial disparity. the city of milwaukee is getting shot and killed. hello. >> the outspoken police chief who went viral. and tension with cops in the cross fire and those who are meant to protect. we are hitting the streets of milwaukee to see how it goes down. plus, iggy azalea, ariana grande. and joining the shower singer on hig big time fame. and angelina under attack. she is a do-gooder, who showed

her dark side and tonight, angelina jolie is scowling again over leaked e-mails. first, the "nightline" five. >> welcome to the remidged quick books. do more than ever before. and get paid faster with it. run payroll with it. vista, turn on only what you need who v with it. samp frl a smorgasbord of apps with it. see your finances in a whole new way with it. this is your bins on

good evening. thanks for joining us. heated protest tonights in one

mid western city, echoing tensions across the country. you are able to meet the police chief making waves with his tough-talking approach to bridging the racial divide. he is not one to tiptoe around touchy subjects as i took to the streets to go with him and his men in blue. as we look at race, justice in america. >> nice to see you. >> he's the police chief who is not afraid to speak his mind. >> if some of of the people good a good god damn about the people in the community, i would take them more seriously. >> so outspoken, his e moeshlly charged tirade went viral. >> 80% of my homicide victims every year are african-american. >> wet, edward has his own

ferguson to contend with it. an an unarmed man shot 14 times bay cop. and this man, derek williams, arrested and cuff in the back of a squad car, struggling to breathe. please sir, i can't breathe. >> dying in police custy. so reminiscent of the "i can't breathe" outrage that is sweeping the country. but the accusations of police brutality may surprise you. >> a lot of people want to talk. and day to day, the bullet holes in that window, i'm not getting protesters here. >> so we traveled to milwaukee to see how they are dealing with the ranging conflict. >> we are robbery issues, capital drive. >> the seven precinct

crimes. we are with jackson. he takes us in a high crime neighborhood. he grew up in milwaukee. he is now a 22-yard veteran. >> make sure you get your home work and get it done, all right? >> all right. >> that is jackson in the central of the protest for hamilton, the homeless man who was patted down. they got in a fistfight. dontray hit him and he was shot 14 times. >> premeditated isn't even 14 bullets. >> but what chief did was unexpected. he fired him for not brutality. but for triggering the fight. do you they chiefs need to step up and fire copses in wrong

doing? >> i think you are surprised. >> more than a dozen cases of officers fired nationwide in the past year in and half. but after manning's firing, a no confidence vote. 99.3% against the chief. >> and i have no idea how many people actually voted. >> the police unit denied our request from a sbre view. >> a lot of sfers misperceive hit to do with a use of force. and the reason i did it, he was clearly wrong and his judgment placed him in a jeopardy decision. >> it's an open wound in community police relations in milwaukee as everyone awaits word about an indictment. >> is it intense? >> it's not intense only here in the country. it's you see black and brown people that have shot down dead

in the street. >> but the officer's determination is not enough. we stopped in on a barbershop where the kfrkss are in full gear. >> and the prosecution is better. >> it's a lot about poverty. and misguided parents. uneducated parents. we have a lot of drugs and guns and violence that goes on in the every day life of african-american people. >> what is more dangerous for the black man in the neighborhood? >> us. >> you say us? >> yeah. >> every time you see someone on the corner, you cannot assume they are selling drugs. >> just say ug, sometimes policemen show up and seen as harassing the folks. >> a lot of times it's community members calling in. they give a description and actions of what someone is doing. >> and if they call and say young black man with a hoodie,

what are you looking for? >> whoa. >> suddenly the neighborhood. >> as we are driving away, officer jackson spots a bunch of men on the corner where a man was shot and killed last week. who know they are there for. as we turn around -- look at this person. >> he is leaving. >> we get them to stay and talk to you. >> they want to move us along. >> where do you move us to? this is where we live. >> what about the people in the neighborhood who feel threatened by convergence of men in the neighborhood. >> who are those people? >> me. me! i be threatened. >> across town on this day, chief flynn is about to address a new class of rookies. >> we also need moral courage and that is the hardest part of

the job. officer safety is protecting your colleagues from bad judge t mentes that can put their careers at risk. never lose slight over. >> that among the rookie, officer ward. >> one of the greatest tools i have is my personality. >> what people have to realize is that police officers are people, just like you and i. they have good days, bad days, we are so, so, incredibly proud and we just hope and pry that he comes home safe every day. >> we ask a lot of officers and try to train them for it. but it's extraordinarily stressful and sometimes with the best of intentions, you are getting it wrong. sbp which is why they didn't fire the officers with williams.

>> i think they made an error in judgment. but they weren't doing something maliciously. they just missed the symptoms. >> inted, any time a suspect says he can't believe, police must call an ambulance. his voice reminding those on both sides of the thin blue line we are all human. where does the emotion come from? >> the same cop that sheds a tear. they picked a baby up on the floor. this is an emotional job. the key with pleasing is to keep those emotions. >> we are backstage with the shower singer as a raises star is born.

and later on "nightline," angelina jolie is veng frl but in real life, what happens when a hollywood alister is entrusted? there's an amazing sensation for her. amazing. this one feels fantastic for me. and combined... "lister is entrusted? lister is entrusted? "a" lister is entrusted? frl but in real life, what happens when a hollywood "a" lister is entrusted? but in real life, what happens when a hollywood "a" lister is entrusted? vebut in real life, what happens when a hollywood "a" lister is entrusted? nbut in real life, what happens when a hollywood "a" lister is entrusted? gbut in real life, what happens when a hollywood "a" lister is entrusted? ebut in real life, what happens when a hollywood "a" lister is entrusted? fbut in real life, what happens when a hollywood "a" lister is entrusted? life, what happens when a hollywood "a" lister is entrusted? lbut in real life, what happens when a hollywood "a" lister is entrusted? but in real life, what happens when a hollywood "a" lister is entrusted?

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given new hope. during the subaru "share the love" event, subaru owners feel it, too. because when you take home a new subaru, we donate 250 dollars to helping those in need. we'll have given 50 million dollars over seven years. love. it's what makes a subaru, a subaru. ♪ >> just like just gin bieber before her, becky j started out on yub tube. yes, the singer of the hit "shower" has come far since the posts at the age of 11.ince the it takes more than a catchy tune. tonight, we take a look at the star-making machinery that can transform a wannabe to the next big thing. here's abc's rachel submit. ♪

>> reporter: "problem" is the anthem of 2014. these young starlets skyrocketed from obscurity to the top of the charts in a matter of months. securing a shot at mega-stardom takes much more than talent. there's a calculated marketing machine devoted to turning out music idols. and now all bets on her. >> about to get crazy. hi, how are you? there we go. >> reporter: at 17, becky g. is a singer and rapper suppo eper e the next superstar. we're invited behind the scenes for a glimpse into the makings of the next pop princess. back stage at staples center, becky seems genuinely surprised how fast the proverbial "it" is all happening. >> when the girls come in

dressed like me or they have crazy breakdowns i'm like -- i don't know how to react sometimes. it's so heartwarming for me. >> reporter: this night she's opening for jimmy lovato, the first time she's performing in her hometown venue. >> i want to keep it real for you guys. >> reporter: becky, the life of the show. ♪ >> this is like a dream. but it's real life right now. so it's like in my head, it tends to be bigger than it really is. >> reporter: to think just a few years ago this was but a dream. one she was following by performing covers on youtube. >> which is kind of crazy, what was i rapping about? barbies? ♪ >> reporter: her videos like this cover of kanye west's

"otis," went viral. even caught the attention of famed producer dr. luke. >> yo, what's up, i'm dr. luke. i was like, hold up, dr. luke, the man known for number one hits wanted to meet me. what? >> reporter: dr. luke's number one hits are inescapable. he's behind songs like "roar" by katy perry and "timber" by kesha. >> he's heard some of the songs i've recorded and written, in ten minutes he offered me a deal. >> reporter: becky says her relationship with the producer and record label is like a second family. she also credits them for helping her reach the top 20 on the billboard top 100 with her single "shower." ♪ i'm dancing in the mirror and singing in the shower ♪ >> reporter: they set her up for maximum exposure with hot collaborations from will.i.am to mr. worldwide himself, pitbull, on "can't get enough." ♪

>> reporter: uniquely positioned to appeal to a wider fan base thanks to her latin flair. on tour she's opening for the biggest names in music. >> i was on tour with katy perry -- >> name dropper. >> i know, right? you've got to say it, you know, i'm proud. >> reporter: and oh, yeah, she's also the latest face of covergirl cosmetics. all this fame comes with sacrifices. >> i'll never know what a homecoming is like or getting in trouble with the teachers or going to the principal's office. but i don't regret making the decision that i made. ♪ >> reporter: we caught up with becky onset for the shoot of her latest video. >> it's official. we are now recording the "can't stop dancing" music video. this is like the first time we'll get to see big girl action. >> reporter: selling the big girl image can sometimes mean amping up the sex appeal.

>> keep it going! >> reporter: she says that trademark tooth gap is here to stay. >> the fans love it. then the haters hate it. of course. >> are people asking you, are you going to lose the gap? >> why should i change myself to be what everybody else wants me to be? >> reporter: "can't stop dancing" showcases becky's latino roots. and like the bubbly hit "shower," it too seems pegged for greatness. ♪ just can't stop dancing >> there have been critics who actually criticize "shower," saying it's overly poppy and that it lacks becky g. authenticity and attitude. >> those lyrics are genuine feelings of what i was feeling. how can they tell me, oh, that's not real, that's not genuine. as an artist i feel like you have the right to grow and evolve and change things up when you want to change things up. ♪ i won't stop till i get to the top ♪ ♪ i'm so becky >> reporter: she says she's

still in control of her own career and image. answering critics in the j. lo cover "becky from the block." >> you don't have a sense that you are selling out in any way? >> sometimes you do get caught up in the midst of becoming a product, a brand. not having a say in any of that. but best believe i have no problems speaking up. >> reporter: behind the scenes that confidence, she says, comes from having a close-knit family always by her side. >> my parents are so cool. they're so chill. super hip too. they know what's up. of course here and there they'll be like, okay, that's showing a little bit too up. or bekaa, i don't know. >> you're still daddy's little girl. >> yeah. >> all of this is for your little girl. can you believe it? >> i'm not used to showing up to sets like this and being about her, you know? >> reporter: becky's parents alex and frank have struggled financially over the years. at one point the family of five slept in becky's grand parents' garage. >> we kind of took the punches.

when one struggles we all struggle. when one triumphs we all do. >> i may be the one with the talent but i need mom to drive me around, i need dad to still be the breadwinner of the house. ♪ >> i'm nowhere near where i want to be like in my career, the future. but i feel like i'm really starting to get into it. and it's only the beginning. >> reporter: for "nightline," i'm rachel smith in los angeles. up next, how maleficent's angelina jolie is striking back tonight after that e-mail leak at sony insulted some of hollywood's biggest stars. tonight after the e-mail leak at sony is affecting hollywood's biggest stars.

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not afternoon is all smiles. >> reporter: tonight this image. the minute that angelina jolie and the hollywood producer locked eyes. and she bashed jolie for having a lack of talent and ego.

pascal tells "the hollywood reporter" she has reached out to if al sharpton and jesse jackson about the heeling process. they made racial jokes about president obama, saying he might like the slave movie djengo unchained. >> you want us to kill the leader of north cee yanchts all this as sony's comedy about north cee in the middle of a cyber war, had its premiere last nights, a red carpet and no sbre views. >> there is no red carpet tonight. up. >> and late today, jolie releasing this video and pulling out of her own premiere for the movie "unbroken." apparently, not because of the

scandal. >> i found out last night that i have chicken pox. >> get well soon. thanks to cecilia vega for that report. tune in to "good morning america" tomorrow. and we are on abcnews.com. good night, america. have a great weekend.