protests, charlotte police plead for calm after demonstrations erupt over another deadly police shooting. tonight the conflicting accounts of that fatal encounter. terror trail, chilling new surveillance of the suspect handling a it bam, as the fbi releases the images of two me it's looking for tonight. plus the first look inside the suspect's bloody notebook. trump and race, a famous surrogate drop as racial epithet as trump courts african-american voters. and results from our brand-new poll. epipen outrage an embattled ceo defending a 400% price hike on a life-saving device to furious members of congress

inside the highly secured military lab battling on the front lines against drug resistant bacteria. nightly news begins right now. >> announcer: from nbc news world headquarters in new york. this is "nbc nightly news" with lester holt. good evening, i'm savannah guthrie in for lester. as night falls in charlotte, north carolina, officials there are bracing and hoping there won't be a repeat of last the scene. violent protests, all-out chaos, over the police shooting of an african-american man. the officers say he was holding a gun and did not respond to their commands, but some witnesses are telling a different story. tonight, a community is torn apart and on edge. nbc's gabe gutierrez starts us off. >> reporter: after a night of chaos, charlotte officials are pleading for calm as conflicting stories emerge about the death of keith lamont scott. >> we got shots fired.

say they were trying to serve a warrant tuesday to a different man at this apartment complex when they encountered scott who had a gun. >> they were instructing the subject, once he go out of the vehicle, to drop the weapon. >> reporter: did you see any gun? >> i did not. no gun. it was a book. >> reporter: she said she watched the shooting from her balcony and took the cell phone video. she claims he was reading a book waiting for his son's school bus and was disabled because of a previous head injury. >> he walked to the back of his truck and asked what is going on, what's the problem? the next thing you know, i couldn't hear what he said, then he got shot four times. >> he didn't have no gun. he wasn't messing with nobody. >> reporter: police say no book was found at the scene, but news of scott's death sparked protests. demonstrators clashing with police, wearing riot gear. >> they're jumping on top of cars. stopping traffic and they've got the entire intersection blocked. we're going to need

officers injured. looters on the loose. i-85 shut down. >> the police just shot my daddy four times for being black. >> reporter: fueling the the anger of facebook stream by a woman who said she was scott's daughter. the officer identified as brantley vincent is on paid leave. this is the sixth police involved shooting death in charlotte this year. four have been african-americans. all this, amid peaceful protests in tulsa, oklahoma, after last week's controversial shooting of terence crutcher. situation for everyone involved. the city expresses condolences to the family of mr. scott. >> reporter: police are reviewing body camera and dash cam video of the incident but aren't releasing it, citing the ongoing investigation. however, investigators stress that a gun was found here at the scene. a vigil is planned later tonight. savannah? >> gabe gutierrez in charlotte tonight, thank you. to chilling new details in the terror

bombs. we're getting a look now at new surveillance video of the suspect and our first glimpse inside his journal, filled with anti-american rants. the fbi is asking for the public's health to track down two witnesses. nbc's miguel almaguer is now with all the latest. >> reporter: new video obtained by nbc news is said to show terror suspect ahmad rahami saturday evening, first explosive he planted in new york city went off. in the video, rahami drags a suitcase, stopping to fiddle with it before continuing on. also seen two unidentified men, who allegedly took the bag but left behind an explosive device that had been inside. investigators now want to know who they are. >> they are witnesses, there are no criminal charges. they're not in any jeopardy of being arrested. >> reporter: fueledly hate, rahami

complaint discussed on capitol hill where a congressman held up a picture of what he said is rahami's bloody notebook. >> it's clear from this journal that mr. rahami was receiving inspiration from the isis spokesmen. >> reporter: written inside, god willing the sounds of the bombs will be heard in the streets, gun shots to your police, death to your oppression. the chilling look at the suspect, who is said to have watched jihadi videos, paints the picture of a calculating violent after years of trips to afghanistan and pakistan, in june, the fbi says rahami ordered materials on ebay, using his own name, to build bombs. today, his family is under scrutiny. investigators believe a relative took video of rahami lighting incendiary material in a back yard. today, a burn mark clearly visible. one of rahami's brothers in pakistan

the suspect's wife, said to be cooperating, was interrogated in the united arab emirates. his mother is believed to be in turkey. more family in new jersey, questioned at length. >> they will have known others with whom he's spoken or interacted or met. they may have actually been involved in some way. it's not yet clear. >> reporter: ahmad rahami's wife who was in dubai, is expected united states later tonight. she will be accompanied by air marshals. but the case is wide open. it's unclear if she'll return here to the family home. >> so many questions tonight, thank you. we move to presidential politics. and our brand-new nbc news/"wall street journal" poll shows in a four-way matchup, hillary clinton leads

to 37%. trump meantime courted the african-american vote today, but something one of his famous surrogates said before a crowd at a black church in ohio, is raising some eye brows. nbc's katy tur has more. >> reporter: don king is touting donald trump in cleave as the chosen warrior for the blacks and women. >> he'sed leader to take us to the promised land. every white woman should cast their vote for donald trump. >> reporter: king letting slip a racial epithet while introducing trump. >> if you're dancing and sliding and gliding [ bleep ]. i mean -- negro. >> reporter: trump arguing today things couldn't be worse in african-american communities. a claim civil rights pioneer john lewis disputed. >> if he failed to believe that things have changed, i invite him to come and walk in my shoes. >> reporter: right

clinton's 81% among african-americans. both candidates are speaking out about the deadly police shootings of black men. trump questioning the female officer in oklahoma. who killed the unarmed motorist. >> was she scared? or did she choke? people like that, people who choke, people that do they maybe they can't be doing what they're doing, okay? >> reporter: clinton demanding change. >> i know i don't have all the answers. i don't know anyone who does. but this is certain. lost their lives who shouldn't have. >> reporter: meanwhile, trump is still fighting off inquiries into his own foundation. the campaign saying a "the washington post" report uncovering four new allegations of self-dealing worth a quarter of a million is peppered with inaccuracies and omissions from a biased reporter. but the campaign offered no specific examples of what was inaccurate. public records show he used foundation money to settle a legal dispute and buy items he kept. including a $10,000

hanging at his doral golf resort according to a photo from trip advisor. on capitol hill, the irs commissioner wouldn't comment on the foundation. but did say this. >> i know a tax-exempt organization can benefit -- use its funds top benefit, in effect, any insider. >> reporter: now trump is advocating nationwide stop and frisk to cut down on crime. the controversial practice which allows unconstitutional in new york. critics called it racial profiling. savannah? >> all right. katy tur, thank you. trump is facing criticism from iran's president after trump called the nuclear deal with that country horrible and vowed to renegotiate it. in an exclusive interview with our own chuck todd, president hassan rouhani said trump would be going against the international community. >> translator: all of

reached this agreement. no one can say here or there that i don't accept this agreement, i want to renegotiate it. >> iran's president speaking today with our own chuck todd. the drug company ceo at the center of public outrage over the skyrocketing cost of epipens was in the hot seat today. congress demanding answers from the ceo who is under fire for dramatically raising the price of epipens to more than $600 today. >> reporter: she may be senator joe manchin's daughter but today heather bresch found few friends on capitol hill. >> you have five executives in five years that earned nearly $300 million. >> reporter: mylan pharmaceuticals accused of driving up the price of epipens from under $100 to more than $600 in ten years. >> they raised the

get filthy rich at the expends of our constituents. >> we worked diligently and invested to enhance epipen and make it more available. >> reporter: today new allegations, "usa today" reporting heather's movie, the wife of senator joe manchin helped to get epipens in school. at the time she was head of the national association of state boards of education. in a statement she tells nbc news, my only concern and motivation was and children as possible. mylan insists it wasn't the only provider of epinephrine injectors, and actually provided many schools with free pens. in seattle, a peet trick doctor julie brown says the price hikes have put the pens out of reach for families who need it. >> i've heard numerous stories of people who have chosen to go without an autoinjector at all because they simply couldn't afford one. >> reporter: mylan

the pen, but on the hill today, more skepticism. >> they'll fly back to their mansions in their private jets and laugh all the way to the bank. >> reporter: even after a public shaming, american families will still be left paying the price. meanwhile, the attorneys general in new york and west virginia have launched investigations into the company's pricing policies. and the fda also under fire for not approving alternatives fast enough that could compete with the epipen. savannah? washington, thank you. we turn to the deadly streets in chicago where shootings and homicide have made headlines across the nation. after repeated calls to boost the size of the police force, mayor rahm emanuel's administration announced a major hiring plan to put more uniforms out in force. ron mott now with the details. >> what do we want? >> peace. >> when do we want it? >> now. >> reporter: another murder fresh tears in

a 15-year-old found dead in the trash on the city's violence-plagued west side, his body badly burned, no one under arrest. >> i need somebody, you know something. please come forward. >> reporter: griffin's death adds to the workload of a police department stretch thing, in a city that has seen a dramatic surge in murders. this year alone, 511 homicide, more than new york and l.a. combined, but just 105 arrests, about one in five. a crime-solving rate that puts chicago >> simple fact is, we have to do better. >> reporter: so today, a hiring plan. adding nearly 1,000 positions including some 500 police officers, over the next two years. lori lightfoot heads the city's independent police board. >> how does this come into play to quell violence that is raging in some of our neighborhoods? >> reporter: and another question, how will the financially strapped city pay for

lives. >> reporter: while many suggest that mayor emanuel assume more responsibility. the newly installed police superintendent is challenged with fixing the complex problem day-to-day. >> the police isn't responsible for the crime. they're not doing it. the socioeconomic ills of this city and across the country is what's responsible. >> reporter: a police force counting on strength in numbers to make its city safer. still ahead for us tonight, the deadly superbug that no antibiotic can cure. in the future that could kill as many as ten million people a year. we go inside the high security military lab on the cutting edge in the battle against the deadly bacteria. also, why facebook founder mark zuckerberg and his wife announce they're giving away billions

glee imagine your and there is no antibiotic that can help them. drug-resistant superbugs are becoming more common. it's called a fundamental threat to human health. tonight nbc's dr. john torres takes inside the military's highly secured lab, helping lead the fights against superbugs. >> reporter: these are some of the last photos of simon sparrow taken just before the 18-month-old suddenly

an antibiotic resistant infection called mrsa. >> you're in a state of complete disbelief. >> reporter: scientists are predicting by 2050 superbugs could kill 10 million people a year, more than the number who currently die from cancer. >> this is battle or is this a war? >> this is a flat-out war. >> reporter: on the front lines on the fight in the u.s., the military which runs the world's largest surveillance system looking for superbugs. go >> once all the antibiotics are gone, even your simple routine surgery or something as simple as a urinary tract infection can become very, very serious. >> reporter: this lab at the walter reed army institute of research is where scientists recently found one of the world's scariest superbugs a mutant e. coli bacteria resistant to the antibiotic of last resort. >> this is the big bad guy. >> reporter: scientists analyzed thousands of samples

globe. >> when we find things like this, it's here in the united states. >> reporter: a looming crisis blamed in part on the overuse of antibiotics president here's what you can do. only use antibiotics when necessary. take the full prescription. and keep vaccinations up to date. small steps to curb a dangerous and growing threat. dr. john torres, nbc news, silver spring, maryland. we're back in a moment with a major recall just announced on a popular frozen

a recall to tell about tonight. bluebell creamery has issued a voluntary recall on some of its ice creams because of fears it could contain listeria. the products contain chocolate chip cookie dough and have been distributed in ten states. they stopped production of the ice cream several months last year after three people died due to listeria from their products. we posted more information on this on our facebook page.

zuckerberg and his wife, dr. priscilla chan. they are donating $3 billion over the next decade, they have a big goals, curing, preventing or managing all disease by the end of the century. last year upon the birth of their daughter, the company announced they would girp give away 99% of their facebook shares to charitable causes. and a programming note. i sat down exclusively with priscilla chan, you can see that morning on "today." now to one of those lists that makes nobody happy. what is the number one happiest song in the world? well, according to a new study this is. "don't stop me now" by queen. also on the list, abba's "dancing queen" and the beach boys' "good vibrations." the survey looked at limits like tempo, lyrics and themes. so let the debate begin. when we come back, the big payout to the man who inspired the world all from this one photo.

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tonight, an update on a story that touched so many of our viewers. it started with one photo of an elderly man still hard at work, after decades of selling icy treats on chicago's streets. well, it melted hards throughout the country, and today he got a huge gift that should make for one sweet retirement. here's kevin tibbles. >> reporter: a sweet celebration in chicago's little village. honoring the local paletero, the po after a quarter-century, 89-year-old fidencio sanchez and his wife eladia push their carts for the last time. we met the man a week ago as he plied his frozen treats on the street. his wife is now too weak to work and his only daughter passed away this summer. money is scarce. then, this photo taken by a passer-by of a seemingly defeated fidencio changed everything. >> i just felt he looked very tired and he looked like he

and the world came together to give him a bunch of days off. >> reporter: a gofundme page was set up, in just 11 days, 17,000 people from 70 countries helped raise more than $380,000. today on the same streets he walked for years, fidencio was presented with a check, his retirement. >> sometimes even if the kids didn't have any money, i'd glif them a treat, he says. >> the kids were our livelihood, says illaria, we'll miss them. after decades of quietly peddling smiles, complete strangers have smiled back. >> it shows that everywhere in the world, that we're all the same. >> reporter: happy retirement,

hello, everyone. we are beginning with breaking news coming out of charlotte north carolina. the protests are turning violent. police are responding with gear and teargas. >> a man was shot at an apartment complex. police say he was armed with a gun and posed a threat to the officers. but friends and families said that all he had was a book. >> we are staying on top of this. we will bring you any information as it comes in. onto our big story, sheriff joe aparo costing maricopa county taxpayers

>> the sheriff's costs are adding up. >> why taxpayers are the ones that are stuck paying the bill? >> reporter: they say that they are helpless. the sheriff lost the racial profiling case, so they have to pay the other sides fees. one supervisor said him warning. it was time to write another sheriff joe aparo it is an incredible amount of money. >> reporter: they will pay $4.5 million to the defense lawyers who proved to a federal judge that he racially profiled latino drivers. >> the total cost of the case is $48 million and counting. a third of it goes to the