Why is that pool green . Good evening. And as we come on the air tonight, several breaking stories on the campaign trail. And a bizarre scene playing out right now. Lets go to live pictures from midtown manhattan, right here in new york. A drama playing out at trump tower here in new york city for quite some time now. A climber scaling the 58story tower. There are reports police have removed two windows, in fact, you can see the removed there. Thats the 21st floor. They removed the windows to communicate with the climber right there, who obviously has made it to the 19th or 20th floor there. What happens next is the question. He had been climbing the tower using what appears to be giant suction cups, just above fifth avenue here in new york city, causing quite a secene here in the local stations and for people, pedestrians down below. Gio, what can you tell us . Reporter well, david, this is one of the most bizarre stories. You can see him there on the 20th floor. He still has that backpack on, and thats whats concerned so many people. Whats inside the backpack . Why is he scaling up this tower . They just dont know yet, right now, but they do say that they believe hes a stuntman, in fact, they say hes clearly a stuntman but, they dont know what hes doing or if he is dangerous right now. Lets look at some of the pictures from earlier today. Ror over why this man climbed trump tower. Social media showing him starting around 4 00 p. M. These photos taken from inside the tower. Wearing a backpack and using giant suction cups, he scaled the building from floor to floor, avoiding capture. You see the guy climbing. You see the police, they said, mattresses, inflatable so, if he falls, they can catch him. We want to go back to the tower in midtown manhattan. And you can see that the officers are reaching out to him. He, too, is still there on the ladder. It is unclear, obviously, what they are saying to this man, but they have been watching him all often. They are going to pull him in through that window . Reporter thats what it looks like. Looks like they are trying to do that. The Trump Organization is also saying tonight this man performed a ridiculous and dangerous stunt. Theres damage to the building. He caused unnecessary deployment of new yorks his safety. That coming from the Trump Organization. Because what they want to make sure they dont want to say anything thats going to make this man fall. They want to keep him safe. Again, they dont know why hes done this. And as were looking at the live pictures now, you can see that the suction cups that we were talking about, hes pulled back out and hes actually put on the window adjacent to where the new York City Police officers are standing inside that window. The question now is, what is he going to do, is he going to crawl into that window . Would assume would be there, you know, command to come into that building, and to come in safely, after the scene hes caused over fifth avenue here in new york. Gio, how many people are gathered down there on the scene watching this play out . Reporter right now, across four different blocks here, david, were seeing hundreds of people. I mean, you can just imagine, fifth avenue, one of the major tourist destinations here in new york city. And this is just in so many ways just shut down. Look, they just grabbed him, david. And they j through that window. Can you see his legs there. They have him in through the window on what we believe to be the 21st floor of the trump tower here in new york. They had opened that window for precisely that reason, to communicate with whoever this climber is, and to try to get him out of harms way and back into that building. Certainly, the questions to follow. Gio benitez on the scene for us. That scene playing out at trump tower this afternoon. We will, in the meantime, go to the campaign trail. Donald trump, far from trump away, in fact, in virginia. Standing firm after the controversy caused by his remarks about Hillary Clinton and his comments to, quote, Second Amendment people. Heres abcs tom llamas. Reporter tonight, donald trump still feeling the heat after this comment on the campaign trail that some interpreted to be a threat to Hillary Clinton. Hillary wants to abolish, essentially abolish, the Second Amendment. If she gets to pick h although the Second Amendment people, maybe there, i dont know. Reporter trump seeming to blame the press for the backlash over that comment. Because they can take a little story, that isnt a story and make it into a big deal, happen so much. We have to protect our Second Amendment, which is under siege. Remember that. Remember that. Its under siege. Reporter prominent Trump Supporters say he was joking, not inciting violence. Trump himself explains it this way political power, there is tremendous political power to save the Second Amendment, tremendous. And you know look at the power they have in terms of votes, and thats what i was referring to, obviously. Reporter trump refuting a cnn report that the secret service had reached out to his campaign to discuss his comment, tweeting, no such meeting or conversation ever happened. A madeup story but low ratings cnn. But even speaker paul ryan, who supporters this after his primary win last night. Its simple to prey on peoples fears. That stuff sells, but it doesnt stick. Reporter in a scathing oped in the new york times, columnist Thomas Friedman writing that quote, trump knows what he is doing, and it is so dangerous in todays world. Writing about lone wolves, he writes, they hear the signal in the noise. Even Joe Scarborough writing in donald trump has left the Republican Party few options but to act decisively and get this political train wreck off the tracks before something terrible happens. And tom llamas with us live tonight, and tom, the nra standing firmly behind donald trump, particularly in the form of a major new ad bought . Reporter david, this is the largest single ad buy in favor of trump. Its a 3 million ad buy, and in that commercial, which will run on b the internet, they make the argument that Hillary Clinton is a hypocrite for living with 30 years of armed guards protecting her while trying to restrict gun rights. David . Tom llamas, thank you. Meantime, Hillary Clinton campaigning in iowa, and in the hours after these headlines, a scare for her today, as the secret service rushed the stage. Abcs cecilia vega on that part of the story tonight. Reporter the secret service rushing in as Hillary Clinton spoke in iowa today. Rights protester who tried to rush the stage. Clinton didnt flinch. Superpower of the 21st century. Reporter officers dragging the protester out. And some people get a little carried away. Have you noticed that . Reporter the scene comes just 24 hours after trump made those controversial comments about the Second Amendment. Although the Second Amendment people, maybe there is, i dont know. Reporter but tonight, clinton has some fighting words of her own. Reporter clinton now says her opponent is inciting violence. And if you are running to be president , or you are president of the united states, words can have tremendous consequences. Yesterday, we witnessed the latest in a long line of casual comments from donald trump that crossed the line. Reporter also tonight, more email troubles. The state department releasing about donations to the Clinton Foundation in exchange for favors. In one, a Foundation Official directs clinton aide huma abedin to connect a Top Foundation donor with the u. S. Ambassador to lebanon, writing, this is very important. Today, the Clinton Campaign saying, Hillary Clinton never took action as secretary of state because of donations to the Clinton Foundation. But trump says the emails exposed pay for play connections. Answering new questio those emails, and cecilia with us live, as well, tonight. In the meantime, cecilia, the Clinton Campaign aims to keep moving forward, by reaching out to republicans. Reporter republicans and independents, david. And they are now venturing into some republican strongholds like arizona and georgia. States previously offlimits to a lot of democrats. They are hoping to tap into some of this discontent with donald trump, david. Cecilia vega, thank you. Next this evening, a tragic accident taking the life of a the police chief calling it, quote, unimaginable. Mary noll on the, who was taking part in a Police Department xhupty outreach workshop was randomly chosen to play a victim in the exercise. She was then shot accidentally and killed by an officer who didnt know that one of his bullets was live. Abcs phillip mena is in florida tonight. We are mourning and missing mary, as she was a vital member of our community. Reporter at a citizen Training Session at the punta g gorda, florida, police station, 73yearold Mary Knowlton was chosen at random from 35 participants to participate in a shoot, dont shoot, drill, designed to show how police make when she was mistakenly struck with a live round. Suddenly there were three loud gunshots. She went down onto the ground. Reporter knowlton, a retired librarian originally from husband. Her son is devastated, but says he forgives the officer, and she would, too. She really supported the police. Thats why they went there last night, just to show their support. Reporter the chief of police, who was also there when it happened, said real weapons had been used before. As the chief of police, will you allow a real weapon to be used again at a Citizens Academy like this . The answer is absolutely not. Reporter abc news has involved the lee cole. Cole was involved in a controversial traffic stop late last year. His canine taking down a cyc cyclist. Cole was cleared by the department, but that cyclist is suing the department, and the lawsuit is pending. Officer cole has been placed on administrative leave. And the Florida Department of Law Enforcement is investigating. David . Phillip, thank you. And from baltimore this evening, the police are propsing reforms after a scathing report, now in from the justice the death of freddie gray in police custody, sparked riots in that city. The Justice Department finding the police engaged in a pattern of unlawful behavior, including overaggressive tactics and the targeting of africanamericans in the citys poorest neighborhoods. In other news tonight, and next to rio here, and the absolute gold rush for team usa. Michael phelps winning two more gold medals, his personal total now more than 189 countries and all of olympic histo gold. And the American Women Gymnastics Team winning by an historic margin. Look at the standings so far. American athletes still ahead in the medal count. And with phelps and those gymnasts slated for more competition, there is more gold to come, we hope. Abcs matt gutman in rio tonight. Reporter not bad for a guy who retired a couple years back. Michael phelps now out of retirement, chugging his way to phelps notching his 21st gold medal after a particularly personal race. Facing off against his South African rival, chad le clos, who beat him in the 2012 london games. Le clos glancing at he phelps in the next lane. The night not yet over. Phelps then hitting the pool for the mens relay, alongside ryan lochte. Before diving in, one of his swim cap the swimmers wearing two to increase speed and stability. The top cap is made out of silicon to cut through the water. Phelps, as the anchor, was so spent after the win, he could bare ly pull himself out of the pool. A few years ago, phelps grinned for a picture alongside this little blond girl. But last night, that girl is the 19yearold woman, Katie Ledecky with her third gold. Earlier in the week, the swimmer and leaving competitors five seconds behind in her wake. Per events ranging from the 200 to the 1,500 freestyle. Is that like, being, you know, a great marathoner and being usain bolt at the same time . Exactly. She crushes it every time. Reporter but it wasnt all celebratory in the pool. Olympic officials now in damage control over this. Green algae growing in the water. Look at the difference between mondays competition and the International Swimming federation confirming that the water tanks ran out of some of the chemicals used in the Water Treatment process. The womens gymnastics team, a high wire act. The final five, as they call themselves, launching themselves aloft, as if wearing sequined jet packs. Sigh lomone biles leading all s. She was beaming when they got gold. David, to put the womens dominance into context, the womens team won by eight full points. Analysts tell us thats like winning the super bowl by 12 touchdowns. David . Matt gutman with frus rio again tonight. Thanks, matt. And there is still much more ahead on world news tonight this wednesday. We remember a broadcasting great tonight. One of our colleagues. And a parents night many mare. The camera set up to keep their children safe. Their twins. Then, what they realize. Someone had hacked into that camera in their own home it was be well be right back. E to severe plaque psoriasis. Be the you who shows up in that dress. Who hugs a friend. Who is done with treatments that dont give you clearer skin. Be the you who controls your psoriasis with stelara . Just 4 doses a year after 2 starter doses. Stelara . May lower your ability to fight infections and may increase your risk of infections and cancer. Some serious infections require hospitalization. Before treatment, get tested for tuberculosis. Before starting stelara . Tell your doctor if you think you have an infection or have symptoms such as n, have had cancer, if you develop any new skin growths or if anyone in your house needs or has recently received a vaccine. Alert your doctor of new or worsening problems, including headaches, seizures, confusion and vision problems these may be signs of a rare, potentially fatal brain condition. Some serious allergic reactions can occur. Do not take stelara . If you are allergic to stelara . Or any of its ingredients. Most people using stelara . Saw 75 clearer skin and the majority were rated as cleared or minimal at 12 weeks. Be the you who talks to your dermatologist about stelara . Defiance is in our bones. Our citracal bones. Easily absorbed calcium plus vitamin d. Defy bone aging with citracal maximum. Fall in love with a new daily fiber. New mirafiber from the makers of miralax. Its the only fiber that supports regularity with dailycomfort fiber. So unlike others, mirafiber is less likely to cause unwanted gas. Love your fiber. New mirafiber. Next tonight, a texas mother making a horrifying discovery, finding video of her churns bedroom streaming live online. Strangers watching it, and it turns out, the feed from her home camera she uses to watch over her twins had been hacked. Heres abcs Kayna Whitworth now. Reporter tonight, a wakeup call for families using home surveillance facameras. Finding out her camera was giving people around the world a live view of her daughters every move. We have security cameras to protect them and i feel like i failed because im not protecting them. Theyre in my house. Reporter the images were found on live stream viewer by another mother, more than 2,000 miles away in oregon, who saw the footage and immediately posted it on a houston Moms Facebook page. People are watching my kids in their home, dressing, sleeping, playing. Worth nightmare. Reporter all over the internet, unsuspecting pele their dogs, sleeping, even baby monitors. If the system is connected to the internet, then its vulnerable to attack. And most of these systems have not been designed to be secure, so, they offer multiple opportunities for somebody that knows what theyre doing to break into them. Reporter jennifer says she changed her wifi password, but thinks hackers accessed the camera through a video game her kids were playing. Kayna whitworth, abc news, los angeles. Kayna, thank you. When we come back here tonight, a mob arrest. Tonight. Why he was pulled out of witness protection, suddenly. And then, listen to this. The small investment that paid off big time. Why this guy is suddenly worth nearly 20 million. And then next, youll see this new box coming up next spring. The new Girl Scout Cookies just revealed, and the new flavor. What were building together. And could this happen again . Was this the best treatment for me . I spoke to my doctor and she told me about eliquis. Eliquis treats dvt and pe blood clots and reduces the risk of them happening again. Not only does eliquis treat dvt and pe blood clots. But eliquis also had significantly less major bleeding than the standard treatment. Knowing eliquis had both. Turned around my thinking. Dont stop eliquis unless you doctor tells you to. Bleeding. If you had a spinal injection while on eliquis call your doctor right away if you have tingling, numbness, or muscle weakness. While taking eliquis, you may bruise more easily. And it may take longer than usual for bleeding to stop. Seek immediate medical care for sudden signs of bleeding, like unusual bruising. Eliquis may increase your bleeding risk if you take certain medicines. Tell your doctor about all planned medical or dental procedures. Eliquis treats dvt pe blood clots. Plus had less major bleeding. Both made switching ask your doctor if its right for you. Man, my feet are killin me. Same time tomorrow, fellas . Dr. Scholls massaging gel work insoles absorb a hard day on your feet for comfort that keeps you feeling more energized. Dudes got skills. Dr. Scholls work insoles. When my doctor told me i have agerelated macular degeneration, amd we came up with a plan to help reduce my risk of progression. And everywhere i look. Including Preservision Areds 2. My doctor said Preservision Areds 2 has the exact nutrient formula that the National Eye Institute recommends to help reduce the risk of progression of moderate to advanced amd. After 15 years of clinical studies. Preservision areds 2. Because my eyes are everything. Max and i just discovered this dog treat called dentalife. 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Next, the arrest of a once powerful new england mafia boss. Francis wiltness Protection Program and charged with murder in boston. Hes accused of killing a witness, a boston nightclub manager back in 1993. If convicted, he could face the death penalty. Next, the man some are calling the accidental millionaire. Eric martin took a gamble, investing 18,000 in a contest that won him 100,000 of stock in the Online Shopping company jet. Com. Now, walmart has purchased now be worth 20 million. Not bad. And the girl scouts, theyre out with a new flavor tonight in honor of National Smores day today. They announced their new smores flavored cookies. We just have to wait until next year to buy them. When we come back here tonight, we remember a broadcasting legend, known for his hearty laugh and what he did ooh. Psst. Hey. Where you going . Weve got that thing you know. Diarrhea . Abdominal pain . But we said wed be there. Woap, who makes the decisions around here . Its me. 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John saunders was one of the most familiar faces at espn. And certainly one of the most respected. Congratulations to the National Champion texas longhorns. He loved it, and it showed. Right from the start. Welcome to espns tuesday night baseball. Saunders arrived at espn 30 years ago from baltimore. He was there for the beginning of sportscenter, and for the past 15 years, as host of the sports reporters. Im john saunders. He was a role model to so many. Our own Robin Roberts posting on facebook today, saying she just saw john last friday in a hotel lobby. Had i known that would be the last time i saw him, i would have said, thank you, john. Thank you for being a stellar countless others. Not just your remarkable exam pm of what it means to be a journalist, but most importantly, what it means to be a remarkable human being. We are all thinking of his family tonight. John was a fixture on espn and he will be missed. Were thinking of that family tonight. Im david muir. Thank you for watching. Well see you right back here tomorrow. Now on the list. The dreaded robocall. Nobody got time for that. Three hacks to stop them for good. Did you text me . Sit in style when outdoors. Trendy portable chairs that put comfort in the bag. Very nice. No more boring pbjs. Level. Then the new m ms are getting a wizardly makeover. On the top of the list, team usa continues to dominate the olympics. Unfortunately we cant really show you much of that. On the top of the list, the reason why at number one. We cant get enough of watching Michael Phelps winis and 21st gold medals. And our womens gymnastics team, the final five win their fifth