Good evening. And we begin tonight with breaking news, after those bombs in new york city and new jersey. Tonight, the fbi wants the publics help with two mystery men. They need help identifying and finding the two men seen here. This image from a surveillance camera. And this is the poster they put out today. Authorities say they were seen making off with a suitcase on a new york city street. Investigators say leaving behind police want to question them. And abc news just moments ago obtaining this exclusive video of the suspect walking into a new jersey hair salon, one day before that first bomb went off. We have new reporting right here tonight. Was that suspect acting alone . Heres abcs chief investigative correspondent brian ross. Reporter the investigation into the terror that hit new york is widening tonight, as police seek to talk to these two men seen on video, as they came they removed what turned out to be a Pressure Cooker and they rolled the bag away. Reporter police say they want to know who they are, and just what they were doing with that bag. They are witnesses. Theyre not any jeopardy of be arrested. Reporter this new video obtained by abc news shows the suspect, ahmad rahami, hours before the attack, calmly walking into a new jersey hair salon. Authorities say tonight they have yet to question him, because hes still recovering in the hospital from injuries suffered in the gun fight with police. Hes not medically cleared, so that we can speak to him just yet. Reporter also today, police made public a page from rahamis handwritten journal, bloodied from his wounds, praising brother Osama Bin Laden and a top isis leader. In the new federal charges, Officials Say rahami began planning his bomb attacks at least three months ago. Buying the bomb components on ebay, including steel ball bearings to maximize the Officials Say rahami then did a kind of testrun in the backyard of his family home, two days before the blast. The scorched earth still visible today. And a video of it discovered by agents on a cell phone belonging to a family member. Theres a videotape showing what appears to be someones backyard with a pipe in the ground and an explosion that takes place. Reporter as agents look for possible accomplices, several of rahamis family members have been questioned, and their social media scoured since the initial fbi raids early monday. The accused bomber is th the right, in this family photo, taken in times square, now being reviewed by agents. Rahamis wife, the mother of two of his three children, is expected to fly into the u. S. Tomorrow, after being interviewed by the fbi tuesday in dubai. All right, brian ross back with us tonight. And as youve been reporting, the search for these two mystery men. In the meantime, they still want to question the main suspect. Reporter thats right, david. He was conscious when he was first captured after that gun cooperate in any way with the fbi. Since then, agents have not been able to follow up, because he remains in the hospital and doctors say, for whatever reason, hes not medically cleared to be questioned. David . All right, brian ross will stay on this. Brian, thank you. In the meantime, next tonight, to charlotte, where overnight, chaos erupting. Anger after a Deadly Police shooting there. Tonight, they are bracing for more unrest. Protesters taking to the streets after the death of an africanamerican father. Hours later, it turned violent. 16 officers were injured. Tonight, the police and stories, and abcs eva pilgrim is in charlotte. Reporter the fury erupts after this a man, shot by an officer, lies motionless on the ground. All officers, 104, we got one suspect down. Reporter but 43yearold Keith Lamont Scott does not survive. This video appears to come from his daughter at the scene. The police just shot my daddy four times for being black. Reporter tonight, police in charlotte, north carolina, and scotts family and neighbors the truth is, that man was sitting in his car minding his business. Reporter early evening tuesday, protesters take to the street. After rk, it turns explosive. Large crowds try to overturn this police car. People pour to the scene, blocking a major highway, looting trucks in their path, throwing these boxes in a pile and setting them on fire. One terrified driver calls for help. Theyre on the back of the trailer as we speak. Reporter these protesters scuffling with police. Of tear gas to send the crowds away as 16 officers are hurt. Tonight, authorities identifying the officer who fired the shot as brentley vinson, also africanamerican, and now, on paid leave. Police admitting tonight that scott wasnt the person they were looking for, but say, when they came upon him, they were forced to shoot. Mr. Scott exited his vehicle armed with a handgun, as the officers continued to yell at him to drop it. Scotts family insists thats not true. They said, hands up, he got a gun, he got a gun. Pow, pow, pow, pow. Thats it. He had no gun. And eva pilgrim with us live tonight in charlotte. And eva, youve learned that there is body cam footage that might help answer some of these questions . Reporter thats right, david. There is body cam video of the scene, but police say, they will not release it until this investigation is complete. David . Eva pilgrim live at the scene tonight. Eva, thank you. The deadly shooting in charlotte coming just days after another one in tulsa. Dash cam video showing this father walking back toward his truck, his arms up, moments before an officer shoots and kills him. The female officer defending herself, and tonight, the president ial candidates are now weighing in. Hillary clinton saying these shootings have to stop. Calling the outbreak unbearable. Donald trump suggesting the officer might have choked. Heres abcs clayton sandell. Reporter it is the moment causing such outrage. Reporter Terence Crutchers family says the 40yearolds hands are up, just before hes shot. Something police above saw, too. Hes got his hands up there for her now. Reporter but officer betty shelbys Attorney Says what the videos dont show are the moments she first encounters crutcher. She believed he was high on pcp, ignoring commands and possibly armed. She tells him, get your hands out of your pocket. Now she is becoming concerned. Reporter shelby pulls her gun, shooting crutcher when she sa h shots fired. Reporter but today, crutchers family says shelbys fear did not justify pulling the trigger, and the videos prove he was no threat. We know that there was no gun in the car. We know he was unarmed. Reporter also today, both president ial candidates took a rare swipe against police over excessive force. Its unbearable. And it needs to become intolerable. Reporter in an appeal to black voters, trump is taking did she get scared . Was she choking . What happened . In front of the Police Department reporter in tulsa and were telling them to fire betty fire betty reporter protests have been peaceful. But activists warn the city is on edge. If they dont charge her, it may get ugly. Reporter but david, organizers say the protests, and there is another one planned here tonight, will continue, while investigators decide officer shelbys fate. David . Clayton sandell with us. Clayton, thank you. Donald trump continues to court the africanamerican vote group of pastors in cleveland today. It comes amid a new poll just out tonight, showing Hillary Clinton now at 43 , trump, 37 nationally among likely voters. Among africanamericans, in june, trump had 1 of the africanamerican vote. Tonight, he has 7 , clinton with 81 . And an unexpected moment today on the Trump Campaign. Abcs tom llamas, in detroit tonight. Reporter today, donald trump an event that started with a racial slur. Trump introduced by former boxing promoter don king, once convicted of manslaughter. King, recounting something he once said about racism in america, used the nword in church. If you are intelligent, intellectual, you are an intelltual negro. If you are dancing and sliding and gliding [ bleep ] i mean negro. You are dancing and sliding and gliding negro. Reporter the offensive slip comes as trump is trying to appeal to black voters in blunt terms. Our africanamerican communities are absolutely in the worst shape that theyve ever been in before, ever, ever, ever. Reporter from president obama, a history lesson. He missed that whole civics lesson about slavery and jim crow. Reporter and today, from congressman john lewis, a hero of the civil rights movement, this i dont know what mr. Trump i invite him to come and walk in my shoes. Reporter today, in a fox news town hall on issues impacting the black community, trump promoting a Controversial Police tactic that some say encourages racial profiling. What would you do to help stop that violence, you know, blackonblack crime . Right. I would do stop and frisk. I think you have to. Reporter this comes as trump is is also under scrutiny for using foundation to settle lawsuits against his golf clubs. In one example, when trumps maralago resort faced a 120,000 fine for having a flag pole that was too big, trump settled the case by pledging 100,000 to a veterans group. The check came straight from the foundation, not from trumps own wallet. His Campaign Manager admits it happened, but downplayed the issue. So, lets make very clear to the viewers, a Veterans Charity received 100,000, because of that. And im sure that they benefitted from it. Reporter tax records show donated a penny to his own foundation in eight years. Still, the Washington Post reports he used Foundation Money to buy a tim tebow helmet at a charity auction. And to pay for two portraits of himself. All right, tom llamas live tonight from michigan. And tom, the Trump Campaign now reacting to those initial reports in the Washington Post . Reporter david, the campaign is firing back, saying the Washington Post story is filled with omissions a yet, they provided no examples. David . Tom, as you know, just five days from now, donald trump and Hillary Clinton take the stage for their first president ial debate, their first oneonone encounter, right here on abc. The stakes could not be higher. And tonight here, we have new details about how each of the candidate is preparing. And the strategies could not be more different. Heres abcs cecilia vega. Reporter Hillary Clintonn orlando today, in one of the last times voters will see her after this, shes hunkering down to cram. Donald trump is a selfproclaimed great debater, who won every one of the republican debates, so, i take nothing for granted. Reporter two very different candidates, with two very different debate prep strategies. Clinton immersing herself in briefing books daily. Shes also watching footage of trump in past debates, and holding mock debates with someone playing her opponent. As for donald trump, this is what he told david recently. Any mock debates . Havent thought about it much. It could happen. Reporter but now, trumps team says no mock debates for him. Instead, he has an ipad loaded with old debate footage of clinton. He occasionally meets with a team of advisers, including family members and former fox news boss roger ailes. But sources say those sessions have devolved into story telling, rather than serious preparation. Will trump get nervous when he takes that stage . Ill be a little bit. I mean, you have to be a little already complaining about the questions. Im going to get be treated very, very unfairly by the moderators. I think the system is being rigged, so, its its going to be a very unfair debate. Reporter clintons team says theyre worried shell be the one getting tougher questions, alluding to the recent commander in chief forum. The stakes couldnt be higher. Donald trump has said about you and the debates, i know how to handle hillary. Well, well see, wont we,mp . And cecilia vega with us live from orlando. Cecilia, donald trump, we heard him there tell me in recent days, hes preparing maybe not where in the traditional way, were his words, but tonight, some of the people inside his campaign telling you theyre concerned . Reporter david, in fact, both campaigns tonight are trying to lower expectations for this big debate, but some trump aides are telling us, they are now considering relocating his debate prep sessions this weekend from his estate in new course, to headquarters at trump tower in new york, hoping that will help him focus more. All right, the stakes could not be higher. Cecilia, thank you. Of course, abc news will have full coverage of the first big debate, right here on abc, live at 9 00 eastern moend night. Ill be joining george and the entire Powerhouse Political Team right here monday night. In the meantime, the news continues here, next tonight, to that grilling on capitol hill today. The ceo of the company that markets those lifesaving epipens, questioned about drastic price hikes, and her own soaring salary, up nearly 700 in recent years. Abcs mary bruce is right there. Reporter for more than two and a half hours, frustrated lawmakers grilled and scolded the embattled ceo of mylan pharmaceuticals, heather bresch. It is driving exorbitant profits. I think its disgusting. The greed is astounding. Reporter accusing her company of putting profit before patients. Hiking the price of lifesaving epipen packs to 600. But bresch defending the our concern was absolutely that everyone that needs an epipen has one. Reporter mylans sales projected to hit more than a billion dollars this year. Breschs salary soaring, too up nearly 700 , to 18. 9 million. You got a hefty increase. I am blessed and fortunate. What have you done to earn that kind of increase . Reporter and now, questions about the role her mother played in promoting the device in schools when she was the head of a National Education group. I certain thought it was a very cheap shot to bring my mother into this. Reporter and for families hoping for an apology will you apologize . Still, no answer. And mary bruce with us live from capitol hill. Still no answer from her tonight . Reporter no apology, david. But the company is offering rebates and that cheaper generic. But bresch says the overall price of this device is fair. She says the real problem here is the health care system, not her company. David . All right, our correspondent mary, thank you. There is still much more ahead on world news tonight this wednesday. The close call on the runway. And youll see it right here. Incredible. The pilot signaling for help in his broken down plane. About to be struck here from that plane from behind. Well tell you what happens next in a moment. And we have that pilot here tonight. Also, the unmanned space station out of control, and were told, hurtling toward earth font. When and where will it hit . How much of it will be intact. Angelina jolie. And George Clooney was asked about the split. 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The pilot of a broken down plane signaling trouble, and then hit by another plane. Abcs david kerley with the video tonight, and the pilot who survived. Reporter pilot thom richard, his canopy open, signaling smashed into, spun around, part of his planes tail sheared off. Slow motion shows how the other plane traveling at 60 miles an hour how close its wing came to richards head. But his raised hand is hit. The eight planes in sundays race in reno were all to take off at the same time, but with engine trouble, richards plane is not moving. Hes hoping the planes go around him. I signaled. I know you did, thom, reporter a bit of wincing pain as he gets out of the cockpit. Busted up hand. But thats a small price to pay. Reporter the other plane disabled, too, and each racer, worried about the other. Are you okay . Yeah, im okay. I didnt see you. Reporter for both pilots, surviving to race another day. David kerley, abc news, washington. Just incredible. 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Sense comes after mayfield pleaded guilty to being a felon in possession of ammunition. This is Surveillance Video from that afternoon. You can see his friend to help them out after confronting a rival gang member in the parking lot. You the top left of yours green you can see to your screen you can see the two children in the crossfire before being pulled into an suv. Mayfields friend was shot and died. The rival gang member also died. It is that simple that if you are pulling the trigger you are