welcome to "world news tonight." super showdown. the stage is set. donald trump and hillary clinton. >> donald trump is temperamentally unfit. >> she's a dangerous liar. >> their first head-to-head clash. 100 million people expected to watch. the race tightening. and a big name scratched from trump's guest list. breaking news. all-star tragedy. one of baseball's best, jose fernandez, killed in a horrific boat accident. fans and his team stunned, and just days ago announcing he was going to be a father. new police video. for the first time, the moment police used deadly force. but the man they shot, walking backwards, hands by his side. officers say he was armed. but protesters want to see all of the footage.

wanted for killing five people. police finding him in a, quote, "zombielike state." and, rising waters. massive flooding, homes under water, families evacuated. why it's expected to get worse. tonight, our team in the flood zone. good evening. thanks for joining us on this sunday. i'm tom llamas. we begin with the heavyweight showdown about 24 hours from now. final touches in place for the first one-on-one battle debate between hillary clinton and donald trump. clinton off the campaign trail for four days, practicing with mock debates. trump given videos of clinton's past debates. and house speaker paul ryan telling him to overprepare for the meeting. a new abc news poll underscoring the importance of tomorrow's debate. the candidates separated by two points.

>> reporter: hey, tom. this is it. and these are rnc officials behind me making their final checks. we're talking about history on the stage tomorrow. as many as 100 million people expected to tune in. we're talking about the super bowl of american politics. the road to the white house passes by this stage. the epic showdown a day away. but tonight, a different grudge match over who gets an invite to the show. after the clinton team offered a seat to mark cuban. donald trump's billionaire reality tv nemesis. >> i just don't see him as being capable in the least bit. >> reporter: trump took to twitter, threatening to offer an invitation of his own. saying, "if dopey mark cuban of failed benefactor fame wants to sit in the front row, perhaps i will put gennifer flowers right alongside of him." gennifer flowers, being the woman who had an affair with bill clinton decades ago. trump's campaign manager now says flowers was never actually invited.

about what billionaire can hillary clinton put in the front row. she has a right to be there if somebody else gives her a ticket. >> reporter: clinton, a veteran, with 34 presidential debates under her belt, has been deep in preparation, from briefing books to mock debates. >> donald trump's bigotry, his bullying, his bluster are not going to wear well on the american people. >> reporter: trump, no stranger to the stage either. he's done 11, but never one-on-one, and no mock debates for him. just question and answer sessions. his aides worried he hasn't practiced enough. >> i'm the only one that beats hillary clinton. >> reporter: this time, just the two of them alone for 90 minutes. six topics. clinton gets the first question. trump has two minutes to respond. both sides, already fighting about moderators. clinton's team says it's their job to fact check. >> all that we're asking is

>> reporter: trump's team says, "not so fast." >> i really don't appreciate campaigns thinking it is the job of the media to go and be these virtual fact-checkers. >> and cecilia vega, just steps from the debate stage. you said clinton gets the first question. and tonight, you've learned other new details? >> reporter: yes, hillary clinton will be stage left, donald trump will be stage right. we know that after the first round of questions, there will be about ten minutes of open debate and conversation, and the rules came in part because of agreements bwe campaigns, and also because of a coin toss. they won't tell us who won which ones. >> all right, cecilia vega, thank you. millions of americans watching tomorrow night. and these debates putting the spotlight on hillary clinton and donald trump at their best and at their worst. here's mary bruce. >> reporter: tonight, the candidates fine-tuning plans of attack. >> this guy will say anything. nasty guy. >> reporter: clinton may try to get trump to lose his cool and raise questions about his

>> you've called women you don't like fat pigs, dogs, slobs. >> only rosie o'donnell. >> reporter: clinton's dealing with a major x-factor. which trump will show up? >> look at those hands. are they small hands? >> reporter: will he be crass? or controlled? >> the guns don't pull the trigger, people pull the trigger. we have to find out what is going on. >> the job of hillary clinton is going to be tough if donald trump shows up and has basically done what he's done the last few weeks, which is the "i'm not crazy" tour. >> reporter: f has tried to put clinton on defense. >> i did exactly what i should have done, and i take it very seriously. always have, always will. >> reporter: the challenge for her, showcasing her experience, and some personality. >> which enemy are you most proud of? >> in addition to the nra, the health insurance companies, the drug companies, the iranians, probably the republicans. >> reporter: both candidates

worst enemy. those infamous debate blunders. from al gore's sigh to george h.w. bush and his untimely time check. and the candidates don't just need to expose each other's weaknesses. they need to make themselves seem more likable. our poll tonight showing both still facing unprecedented unfavorability ratings. tom? >> mary, thank you. let's get right to matt dowd. there's stil of undecided voters. how important is tomorrow night? >> i think this moment of the campaign is the most important moment that we've seen in the entirety of the campaign. the only really authentic moment to occur. it's not television ads, it's not speeches. the first time they stand on stage, basically naked in front of the public. >> what would you tell them to do? >> i think hillary clinton needs to show more head, and less heart, and connect at a visceral level. and for donald trump, he needs to connect more at a rational

i think he needs to get in more detail, more substance. in effect, switching positions. >> no doubt it will be an exciting night. matt, thanks so much. abc news will have complete coverage of the presidential debate. george will be joined my martha raddatz, david muir, and myself. matt dowd, and cokie roberts. that's tomorrow at 9:00 p.m. eastern, right here on abc. we move on t tragedy on the water. miami marlins star pitcher, jose fernandez, one of three killed in a deadly boating accident. fernandez escaping cuba as a teenager, becoming one of the best in baseball, and recently announcing some big family news. here's marci gonzalez. >> reporter: tonight, investigators surrounding the chilling, overturned wreckage from an accident that killed a beloved baseball star. miami marlins pitcher jose fernandez and two other men dying early this morning when their boat slammed into a jetty off the coast of miami beach.

involved due to the impact. >> reporter: today's marlins game, cancelled as teammates tearfully pay tribute to the 24-year-old known for his fastball, infectious personality, and passion for the sport. >> when you watch kids play little league, that's the joy that jose played with. >> reporter: that joy, radiating through his pride at becoming an american. jailed in cuba as a teenager for trying to defect. fernandez finally made it to the u.s. on this fourth attempt. >> he leave an oppressed country. >> reporter: his grandmother, traveling from cuba in 2013, emotionally surprising him just before he was named "rookie of the year." and fernandez was starting a family of his own, posting this picture on instagram just five days ago of his pregnant girlfriend. >> it's a tremendous loss, and my heart goes out to his family. >> reporter: and investigators say they don't believe alcohol or drugs were factors in the

other two victims were not wearing life vests. tom? >> marci, thank you. new developments in the deadly police shooting in north carolina. police under intense pressure. releasing two pieces of video showing the moment officers shot and killed keith lamont scott. and protesters demanding all police video should be made public. and the city bracing for a sixth night of demonstrations. for us tonight. >> drop the gun! >> reporter: tonight, the police video finally released. leaving many questions. showing keith lamont scott, getting out of his suv. backing slowly. his right hand empty, unclear what, if anything, is in his left hand. his arms stay down.

this is a justified shoot only based on the video that has been released. >> reporter: in the footage, officers run to scott with guns drawn. >> gun in his hand. gun in his hand. >> reporter: you hear the officers talking about a gun, but you don't see it. this still image shows one of his pant legs lifted. >> when you look at it initially, it looks like some sort of leather device. you might logically conclude it's some sort of ankle holster. >> reporter: family members say up his son from school. officers were in the neighborhood to arrest someone else when they saw him with marijuana and a gun, authorities say, and made the decision to approach him. >> it doesn't make sense to us how it's possible that this incident resulted in the loss of life. >> reporter: video recorded by his wife, released by the family earlier, his wife there witnessed the shooting, clearly in anguish. >> and he better live. he better live. because he didn't do nothing to them. >> reporter: tonight, protesters outside of the panthers game,

released. >> we want the whole video, an undoctored video. >> reporter: police say they will release the rest of the video when the investigation is complete. tom? >> eva, thank you. to the west now, and new details about the suspect behind bars, accused of the mall shooting in washington state. the 20-year-old, spotted by police walking down the street, and police saying he was in a zombielike state. here's neal karlinsky. >> reporter: tonight, at alleged shooter arcan cetin's house, we found his stepfather outside and in no mood to talk. so, if you want to contact me -- >> please leave my property. >> reporter: overnight, police recognized and arrested the 20-year-old cetin simply walking down the street near his home, about 40 minutes from the scene of the shootings, a remarkably peaceful end to a horrific murder spree. >> he said nothing. he was kind of zombielike. >> reporter: it took police 24 hours to track him down,

surveillance photos leading to his car. police say the man in shorts and a t-shirt, with a rifle, killing five inside this macy's friday night is cetin, a turkish immigrant and small town grocery bagger. the "seattle times" reports he has a criminal record, including domestic assault charges. people who knew the suspect say they saw nothing out of the ordinary. >> kids kind of recognized him. they said it might be. and i was like, "no way." >> reporter: police are looking into reports cetin's ex-girlfriend may have worked at the macy's, but for now, the motive remains unclear. the victims, ranging from a teenage cancer survivor to a senior citizen, were in the makeup department at macy's around 7:00 p.m. friday when gunfire erupted. police say they've ruled nothing out, but they don't believe there's a link to terrorism. and as the mall here prepares to reopen tomorrow, the suspect will be making his first court appearance. tom? >> thank you.

cleveland area, authorities say seven people dying from drug overdoses in just one day. investigators believe the drug involved was either heroin or fentanol. the medical examiner is looking for a possible link. now to the flood emergency in iowa. rivers rising, with evacuations in cedar rapids. and families facing some of the worst flooding in years. the danger expected to grow worse as we head into the week. here's rob marciano. >> reporter: tonight, the major flooding disaster in iowa is only getting worse. up to seven feet of water submerging homes. entire neighborhoods swamped by rivers. the only way in or out is by boat. >> you built what we thought was good enough, but it wasn't. we'll rebuild back. >> reporter: this baby deer getting caught in the water surge, a good samaritan rushing to rescue it from the dangerous currents. and in cedar rapids, they're scrambling to fill thousands of sandbags to protect against the growing threat.

residents brace for one of the worst floods in the city's history. >> we need to push hard these next two days to be fully prepared for that crest. >> reporter: right behind me, one of several bridges shut down in anticipation of the water coming almost up to street level. which means it will come easily to this area. which is why they built these temporary barriers to keep the river from inundating the city. forecasts have the crest at 23 feet on tuesday. as will the other tributaries to which won't crest until a week from sunday. a long duration event they haven't seen since 2008. which was devastating. they're hoping they're more prepared this time. tom? >> rob, thank you. still ahead here on "world news tonight" this sunday, gunfire rings out near a major college campus. the suspect on the loose. what police are saying. and the little girl making a 911 call that may have saved her mother's life. an incredible story. are there lessons here for your

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back now with a life and death drama playing out during a family health scare. an 8-year-old may have saved her mother's life. here's gloria riviera. >> reporter: tonight, one mother is lucky to be alive. after a little girl's lightning-quick action helped avert tragedy. >> i was confused. i was like, what's wrong? >> hello, 911. do you have an emergency?

mom, and i think she is having a stroke now. >> reporter: 8-year-old a'nasia clayton was home alone with her mother in maryland recently when she noticed something was off. >> reporter: by luck, a'nasia had just looked up what a stroke is. she called 911, describing her mom's condition and taking action. >> the door is unlocked. i just unlocked it. >> all right, dear, you are doing a great job. your mom is going to be awful proud of you. >> reporter: and potentially saving her life. >> i love you. >> i love you, too. >> reporter: in michigan, 4-year-old calise manning called 911 when her mom, nine months pregnant, had an epileptic seizure. >> she's having a boy, and she really needs help. >> how old are you, honey? >> 4. >> reporter: the ambulance came, thankfully all okay. experts say as soon as kids can memorize numbers parents can teach them how to recognize when someone is hurt, dial 911 and describe the emergency. for her actions, a'nasia won an award from her hometown. tom? >> gloria, thank you. up next, a network news

the famous voice leaving television. and, she thought she had it. the photographer in the end zone. we'll tell you what happened here. ouch. and how she's doing tonight.

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time for our " time for our "index." a scare near the university of illinois college campus. a student capturing the moment there. the shooting started in the middle of the night. after an argument not far from the urbana-champain campus. police say one was killed, and five others were injured. the hunt is on for the suspect. and the dramatic cruise ship rescue. the coast guard saving a man during an apparent heart attack. this happened nine miles off the coast of san diego. the emergency happening onboard the ruby princess. and take a look, the stunning kick into the end zone

the auburn photographer getting a football in the face. ashley ward was able to laugh about it later. she says she's doing quite all right. and a final farewell from a fixture of weekend television. >> i want to thank you all, our wonderful audience, and i also want to thank all these people. >> cbs newsman charles osgood, 83 years young. saying good-bye to his tv gig. for 22 years he hosted "sunday morning," it was charles and his signature bow tie. when we come back, the voice of the dodgers also taking a final bow. stay with us. like viagra single packs for ed. ask your doctor if your heart is healthy enough for sex. do not take viagra if you take nitrates for chest pain or adempas? for pulmonary hypertension. your blood pressure could drop to an unsafe level. to avoid long-term injury, seek immediate medical help for an erection

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finally tonight, a look at one of the greatest runs in sports history. here's david wright. >> reporter: this weekend, they rolled out the blue carpet at dodger stadium. >> aw, come on. it's just me. >> reporter: the end of an era that's lasted 67 years. >> hi, everybody. and a very pleasant good evening to you. the way right away. >> reporter: vin scully has called them as he sees them since 1950. >> sandy into his wind-up. here's the pitch. swung on and missed. a perfect game! >> reporter: from sandy koufax and jackie robinson, through henry aaron, breaking babe ruth's home run record, for the opposing team. >> it is gone. what a marvelous moment for baseball. >> reporter: what did that moment mean?

as accurately and as quickly as possible, and then shut up, anh let the crowd roar, because there's nothing better. >> reporter: fans watch with him even when they're there at the ballpark watching the game. >> thank you for painting a picture foour families, that we'll have for the rest of our lives. >> reporter: for dodgers fans, vin scully was the soundtrack of summer. >> we will miss you, my friend. we will miss you in our radio, in our cars, in our backyard. >> reporter: an endless summer, finally finished. david wright, abc news, new york. >> and we thank david for that story. we thank you for watching. "gma" first thing in the morning. david muir right back here tomorrow night. i'm tom llamas in new york. have a great evening.

inside a starbucks. chopper -13 -- fast and first -- over the scene. police -- taking the man -- at the center of the chaos -- into custody. we have team coverage -- of this terrifying situation. 13-action news reporters -- marti glaser -- and gina lazara -- both out there live -- right now. let's to marti first. what can you tell us? families still waiting hours. since word spread of the shooting at starbucks here on rainbow and warm springs ..waiting to be reunited with this is what the scene looked like earlier as about 15 people were escorted out of starbucks with their hands up when it was first believed to be a hostage situation and lt dan mcgrath with metro says because of confusion ..conflicting stories - by the suspect who first identified himself as a witness - later determined to be the shooter . the suspect killed a man shot and killed after a man who has the suspect name has not been released but police say he does have a violent criminal history

that appear to be gang related no one else was injured and police praised the starbucks employees and patrons for their courage and said .. since police like starbucks will sure be back to thank them personally . marti glaser 13 action news we're continuing our team coverage now with 13 action news reporter gina lazara she is live right in front of the starbucks where this happened near rainbow and warm springs. gina just got done talking with