Good evening. And we begin tonight with that midair scare, an Emergency Landing after a flight took off from chicagos ohare airport. A passenger losing consciousness. The pilots fearing there could be an issue with cabin pressure declaring an emergency, descending fast dropping as i said 27,000 feet in just minutes. Tonight, the rattled passengers here and why pilots acted so quickly. Abcs gio benitez leading us off. Reporter tonight, a midair scare for 75 passengers. Skywest flight 5622 from chicago to hartford connecticut, took off at 9 31 this morning. But just 40 minutes into the flight with the plane at 37,000 feet, a passenger becomes ill. The pilot, concerned the illness could be due to a pressurization issue, took no chances. Even though there were no cockpit warnings or oxygen masks dropping, he made a steep and fast descent, 27,000 feet in just eight minutes. Passengers on board concerned, calling it a nose dive. They asked us to tighten our seatbelts, and we basically nosedived until we leveled out at 10,000 feet and that was pretty darn scary. Reporter the Buffalo Airport ready for an Emergency Landing. Its going to be gate number four. Inbound flight unknown medical problem. Just the sense of not knowing whats going to happen to you, i dont even know what the feeling of i cant remember if i was flying forward or being pushed back. Reporter a scare for passengers but the pilot doing right to thing. If a passenger gets sick and you suspect one of the things they need is oxygen and you dont have a bottle back there, the way to get that is to get the airplane physically down which compresses more air in the cap bin. Reporter and tonight, that sick passenger was treated and released and were told everyone on board is safe. But were learning the faa will investigate this incident. David . Gio benitez, our thanks to you. In the meantime another scare in the skies. Frightening moments for passengers on board a delta flight hitting severe wind shear in the northeast. Unable to land at newark or at jfk. Eventually forced to make an emerge si landing in boss toy. 22 million americans across several states facing Severe Weather tonight. A tornado watch across the texas panhandle at this hour. Drenching rains, a tough commute home in corpus christi. In the northeast, meanwhile, a powerful line of thunderstorms, all day today and into the evening. And in lawrence new jersey tonight, the saturated earth giving way, homes on the edge, families being evacuated this hour. Lets get right to rob marciano tracking it all tonight. Reporter david, damaging winds across the northeast. 70 70mileanhour wind gust in philadelphia. Start with the radar, showing the yes, thats snow across the great lakes and the storms rotating through the northeast. But the bigger threat in the next few hours will be the tornado watch just west of dallas. Overnight, dallas is going to see rough weather, as though storms pop up and migrate to the east. Thats where the Severe Weather threat is tonight. It sounds slides to the south and ooels tomorrow east tomorrow night. On friday too, well have the threat for Severe Weather. David . Rob, thank you. Now, to the breaking news out of baltimore tonight. These images coming in at this hour. Growing protests in the streets as outrage widens in that case making national headlines. The suspect taken into custody put in that van. He would later die, his spine nearly severed. The central question when and how did it happen . Tonight, the police union coming forward late today, defending their officers saying theyre unsure if that suspect was wearing his seat belt. Abcs david kerley in baltimore. Reporter this video of the arrest of fredie gray, who died in police custody, doesnt explain his severe spinal injury according the Baltimore Police union. Five of the six officers involved, including the arresting officers have been interviewed. The union says gray was not wearing a seat belt and it believes he was injured not during this arrest, but in the van. Saying they just dont know how. That is not enough for citizens who are pouring out onto the streets. Police brutality is at an alltime high and it just needs to stop. Reporter grays mother collapsed, his sister in tears. Tension here is nothing new. In just the past four years, nearly 6 million paid out to settle about 100 cases of Police Misconduct according to the baltimore sun. Since last winter the federal government has been investigating the entire department at the request of the mayor, as she says, long before ferguson. We have been in the trenches doing this work. Reporter but you are getting grouped in with all of those cases. Is that a concern . I have no concern about how we are being grouped. I have a very serious concern about getting to the bottom of what happened with mr. Gray. Reporter for another night, a couple of hundred protesters took to the streets of baltimore again. The protesters have chosen the Police Station near the scene of the arrest which is sure rounded by officers and barricades for their latest protest. So far, peaceful and that is the hope that it stays that way, as the protesters await even more answers. David . David kerley tonight in baltimore. David, thank you. And this evening, for the first time here we are hearing from the Arizona Police officer who used his Police Cruiser to take down that suspect. Driving his patrol car right into a suspect who was wielding a gun. So many questions about why officer Michael Rapiejko made that decision. Tonight, in this new police audio tape we hear him explain what went through his mind when he saw that suspect. Holding what i believed to be a locked and loaded rifle, based on the transmission that he shot into the air. There was occupied businesses. Two other officers at the end of the street. This is what i deem at this point to be a lethal force encounter. I have two thoughts that go in my mind. I need to shoot him to stop the threat or that police force defending that officer, saying he had a difficult decision to make. We turn now to boston tonight. Deciding whether Dzhokhar Tsarnaev should live or die. Tonight, right here the video, never seen before. Shown in that courtroom today. Tsarnaev pacing in his holding cell. Jurors then shown what he does next, straight to that camera. The prosecution arguing it proouchls he is unrepentant. Abcs Ron Claiborne in boston for us tonight. Reporter this is the new image prosecutors want seared into the minds or jurors. Dzhokhar tsarnaev making about obscene gesture to the Security Camera in his holding cell. They say it proves he is a cruel character, unconcerned, unrepentant, and unchanged. Deserving of death. But the defense then introducing video of that same moment meant to show tsarnaev in a different light. A 19yearold shuffling around his cell awaiting arraignment, just three months after the bomb bombing. Preening staring right into the camera, flashing the v sign before that gesture. A restless immature teenager. Someone they will argue whose life should be spared. Some of tsarnaevs own victims have already made up their minds about whether he should live or die. Celeste corcoran lost both legs in the last. Her husband, kevin, fastening a tourniquet in the chaos. Now, he wants the bomber executed saying if hes dead no matter how long it takes, end of story. We dont want him to be able to communicate and possibly influence anyone. Other victims like karen and john odom. He lost so much blood, his heart stopped beating twice. They have a different view. We want to see him rot in prison the rest of his life. Were not against the Death Penalty. We just think the Death Penalty is too good for him. David, ultimately, that decision will be made by the 1 jurors. If the defense can convince just one of them to spear tsarnaev he will spend the rest of his life behind bars. David . Ron thanks. Overseas tonight and to breaking developments out of paris now. The terror plot this warted and the chilling details emerging tonight. The one mistake that led to the whole plan falling apart. A 24yearold Computer Science student accused of planning to unleash a major attack near that iconic city targeting churches amassing an arsenal of weapons. The suspect discovered by accident. Abcs chief Foreign Correspondent terry moran now. Reporter a Residence Hall for students in paris, so ordinary but behind the sealed off door of apartment 310, police say, a terror attack was in the works. The alleged mastermind a 24yearold Computer Science student from algeria. They say his plan kill christians in churches as they worshipped on sunday morning. This is one of the targets, its believed. The old church. On sunday morning, the suspect was in this area armed, and planning an imminent attack. That morning, around 8 00 a. M. A quiet Paris Suburb Police say he shot and killed a stranger 32yearold dancer aurelie chatelain who was sitting in her car, working on her computer. A hatch hour later, a speed camera captures his car driving away. Then, at 8 50 a. M. He calls murns services saying hes accidentally shot himself. Police find him outside his home on the sidewalk bleeding heavily from a gunshot wound in the leg. A trail of blood leads them to his car. Inside a cache of weapons. Bullet bulletproof vests. Maams. And in his apartment, documents referencing al qaeda and isis. Tonight, authorities are looking for accomplices, and prosecutors say they have evidence he was in contact with someone in syria, who was giving him directions to attack churches here. David . Terry moran tonight. Terry, thank you. Back here at home a developing headline at this hour. The landmark nfl settlement worth up to 1 billion. And we reported extensively here on the dangers of concussions on the field, even for children. These images captured by helmet cams. Well tonight, a major deal for former pros including jim mcmahon and bret. Far ever. Some of the games biggest names accusing the league of hiding the risks of head injuries. Abcs Senior National correspondent jim avila, back on the story tonight. Reporter the numbers are huge. But so are the hits. And the damage they cause. A blow that lasts less than a second, carrying the impact of a sledgehammer. A federal judge today approving a concussion settlement that could cost the nfl 1 billion, paying for testing, treatment and Living Expenses for any of the 20,000 retired players who suffer from alzheimers or dementia now or in the future. Players like chicago bear quarterback jim mcmahon, whose girlfriend now has to program his home address into his cars gps. They knew about it and they didnt tell us. Thats just like flat out lying to you. Reporter and brett favre, already forgetful. And hall of fame running back tony dorsett, who said he suffers from depression because of hard hits like this one. Heres tony dorsett, head down. Im too smart of a person, i like to think, to make my life. But its crossed my mind. Reporter under the agreement, the nfl will not have to disclose what it knew about concussion damage. Critics say that alone is worth the billion dollar price the league is paying. Jim avila, abc news, new york. Jim, thank you. Tonight, doctor oz breaking his silence, after calls for his removal from a group of doctors, saying he promotes quote, quack treatments. Now hes answering those critics, vowing they will not silence him. Abcs linsey davis tonight. Reporter americas trusted tv doctor speaking out. Freedom of speech is the most fundamental right that we have as americans. And these ten doctors are trying to silence that right. Reporter dr. Mehmet oz fighting back against that group of doctors calling for him to be removed from his position at columbia university. We will not be silenced. We will not give in. Reporter those ten physicians accusing oz of promoting quack treatments specifically taking issue with his opposition to genetically modified food. We know one of those doctors is a vocal advocate of gmos. Another doctor is a convicted felon, having served 22 months in prison for medicaid fraud. Four of the ten doctors have been linked to the american cown council on science and health which has received grant money from companies that sell gmos. Tired of fighting with pat . Today, that changes. Reporter oz has found himself on the hot seat before. Even called before congress. I cant figure this out, dr. Oz. Why do you need to say this stuff . Because you know its not true. Im secondguessing every word on use on the show right now. I heard the message. I get it. Reporter dr. Oz plans to devote his entire show tomorrow to addressing this latest controversy, david. All right, linsey davis with us tonight. Thank you. Were going to turn now to a consumer alert at this hour. A massive recall to report on tonight. Trek recalling nearly 1 million bikes, due toe a problem that can cause the front wheel to stop turning. Even come off without warning. At least three riders have been injured. One rider paralyzed. All of the details of the recall on our website tonight. We do have a passing to note here. A symbol of american resilience. Norman rock wells rosie the riveter. Tonight, the real model for that painting has died. Mary doyle keefe. By the way, she was paid 10 by rockwell. She wasnt a riveter, but a telephone operator. Keefe was 92. There is still much more ahead on world news tonight this wednesday. Ben afflecks apology tonight, after trying to keep part of his Family History a secret. Tonight, affleck now saying he didnt want it revealed because he was embarrassed. Well have a report coming up. The images coming in right now. The volcano erupting for the first time in decades. The evacuations under way at this hour. And everyone raising eyebrows about tim tebows new deal. Everyone couldnt wait to find out however much it was worth. Wait until you hear the number, after the break. For protecting my future. Thank you for being my hero and my dad. Military families are thankful for many things. 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He went on that show seen by millions called finding your roots and tonight admitting he asked producers not to reveal one of his ancestors owned slaves. Abcs Mara Schiavocampo with his explanation tonight. Im sure theres so much of peoples history that gets lost over time. Reporter tonight, Actor Ben Affleck admitting he tried to keep part of his own history hidden after learning he had a slave owning ancestor on an episode of the pbs show finding your roots that aired in october. Hacked sony emails revealing that affleck asked the shows executive producer and host henry louis gates, jr. To keep that information out of the show, which it was. In a facebook post, affleck is apologizing, saying i was embarrassed, adding i lobbied gates the same way i lobby directors about what takes of mine i think they should use. Affleck is one of several Celebrities Making surprising discoveries through the show. Wow. Reporter sally field learned an ancestor fought on the wrong side of the revolutionary war. He was a tory oh, dear. Reporter as for affleck, hes now identifying his ancestor as benjamin cole, tweeting he lived in georgia on my moms side about six generations back. In a statement, gates said they didnt include the slavery connection because they chose to focus on more interesting aspects of afflecks ancestry. They are david . Mara thank you. When we come back here on world news tonight, the images coming in at this hour. The volcano erupting for the first time in decades. More than 1,000 being evacuated at this hour. And then the dancing with the stars favorite derek hough and that major injury tonight. Youll see the pictures and what hes saying about it now, right after the break. Gy superpower. Surprised . In fact, america is now the worlds number one natural gas producer. And we could soon become number one in oil. 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That noise panera broth bowls should be slurped with gusto to explore further order online or visit your neighborhood panera bread. To the index tonight. And something that hasnt happened in four decades. Check out this volcano, quiet for 40 years, erupting in southern chile at this hour. Huge plume of ash. 1,500 people being evacuated. Chile with 500 potentially active volcanos. And dancing with the stars veteran derek hough injured during rehearsals. This instagram showing his broken toe, sprained ankle. Mark ballas right there with him in the e. R. No word on when hough will return to the dance floor. Tim tebow back in the game, we reported earlier this week. Signed by the philadelphia eagles. But something were just now learning about that contract. Usa today reporting no signing bonus and no guarantee of any money if tebow is cult before the season starts. If he stays on the team hell earn 660,000 base salary. A lot of people rooting for him. And Sandra Bullock tonight named people magazines worlds most beautiful woman. When she heard the news she thought, quote, thats ridiculous, saying quote, ive never been the bombshell that was coveted, and in an odd way, that made growing older a lot easier in this business. The actress talking about a different standard of beauty tonight. That issue hits newsstands friday. Coming up on world news tonight, america strong. The surprise when a schoolteacher asks her opportunitystudents to finish this sentence i wish my teacher erer knew. Youve got to see this. You know, just because your bladder is changing it doesnt mean that you to. With tena, let yourself go. Be the one with the crazy laugh. And keep being their favorite playmate. With tenas unique superabsorbent microbeads that lock in moisture and odor. Tena lets you be you. [chorus singings ] roundup im the protector of my patio. Killing weeds where they grow. 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I wish my teacher knew i dont have pencils to do my homework. Reporter that teacher wanted to know her students better. Almost all of them under the poverty line. One writing, i wish my teacher knew my parents or i wish my teacher knew i wanted to go to college. Kids would share, i wish my teacher knew that i want a friend to play with me. Reporter and then something unexpected. It was really beautiful to see another kid putting their arm around them or saying we got your back. Reporter that teacher then posting the messages on twitter. These notes are heartbreaking and its very common place in a school like this and quite frankly, schools all over the country. Reporter teachers across the country with the same assignment. One teacher writing, i wish my teacher knew my tooth is wiggling. Donations pouring to buy classroom supplies. Not only just having it live in a classroom, but giving children a voice to advocate for themselves has been so powerful. Reporter and tonight, we give one of those children the last word. I wish my teacher knew i loved her with all my heart. I wish my teacher knew. And how she does. And thats one incredible teacher tonight in colorado. Thank you for watching on a wednesday night. Im david muir. Im hope to see you right back here tomorrow. Until then, good night. This is jeopardy introducing todays contestants an attorney from alexandria, virginia. A Management Consultant from coral springs, florida. And our returning champion a userexperience designer from norwood, massachusetts