Good evening. And with this country already on edge, we begin tonight with the terrifying scene that played out today inside a michigan courthouse. A suspect reportedly getting hold of a gun and going on a rampage inside the building. Several people shot. The images now emerging from outside, when witnesses heard the gun fire erupt. Authorities say two bailiffs were killed, along with the suspect, after being taken down by police. Abcs gio benitez leads us off. Reporter tonight, a tense and dramatic scene. We have him cornered on the second floor. He has a gun with a hostage. Reporter a tense and dramatic scene at a michigan courthouse, the building on lockdown after an inmate somehow opens fire inside. If you know anyone in the area or building, just make sure they stay put and are safe. Reporter our station wbnd reporting the suspect took a gun off a deputy and began firing. Shots fired, one down, one down. Reporter authorities could finally take down the gunman. Shooter is down. Shooter is down. Were doing cpr on the shooter and on the officer down. I stand here with a heavy heart today with what occurred at the courthouse. Reporter michigans governor tweeting, horrible news out of Berrien County just now. I am monitoring the situation closely and my heart breaks for everyone affected. And david, we are now learning the inmate was being sent to jail when he grabbed that gun. Meanwhile, the wounded are still recovering tonight. David . Gio benitez tonight, thank you. And this evening, there are also new images emerging of the horror in dallas. What appears to be the gunman on the sidewalk, taking aim. It comes after pictures like this one already, police running in to help the protesters. Five officers were killed. We are also learning more about the gunman, his final words to the negotiators and what he wrote in his own blood. President obama arrives in dallas tomorrow with the first lady, and former president george w. Bush. Abcs matt gutman in dallas tonight with those Haunting Images now coming to light. Reporter tonight, a harrowing moment coming to light. You can see the gunman approaching one of the victims. You can hear the gunshots. Were not showing you those last deadly shots. As we learn about the bombing Micah Johnson may have been planning from his middle class home. One of the bomb techs called me at home to describe his concern of how large a stockpile of bombmaking materials he had. This wasnt some novice. Reporter authorities believe the 25yearold army vet fasttracked his attack plans to target cops at the black lives matter protest thursday. After the ambush, police cornering johnson inside el centro college, where he wrote a cryptic message in his own blood. The initials rb. Were looking with our Law Enforcement officials in the area. Reporter tense negotiations lasting two hours. Authorities saying johnson was latching and singing. There is indications of ranting in his writings and some of the things that he saidnegot. Reporter knowing officers were down, the police chief finally deciding to send in a robot carrying aexplosives. Id do it again. Reporter the family struggling, telling the website the blaze i didnt see it coming. I love my son with all my heart. I hate what he did. Reporter dallas on edge, presiding over a police chief possibly in the crosshairs. Yesterday, i noticed that your body guard was guarding you very, very carefully. There have been threats against the department. Have you received personal Death Threats against you . Yes, me and my family have received Death Threats almost immediately after the shooting. Reporter but still sending this message tonight to his community. Become part of the solution. Serve yourdo communities. Dont be part of the problem. Were hiring. Were hiring. And matt gutman with us live from dallas again tonight. And matt, authorities do believe the gunman used his military training . Reporter thats right, david. He did use that military training. But authorities also telling us that he was selftaught, apparently practicing bomb detonation and those tactical drills in his own backyard. David . Matt gutman with us from dallas. And with much of the nation debating the injustices caught on cell phones in so many communities, and yet, the horrific targeting of those officers in dallas, tonight, one mother, who is speaking out for both sides. She was at that peaceful protest when she was shot, and tonight, she is grateful to those officers. Abcs Martha Raddatz in dallas. Reporter Shetamia Taylor took her sons to the march for this reason. I wanted to show them that there could be a peaceful march. Reporter but just as they were leaving, that peace shattered. It was hundreds of rounds. I had never heard anything like that before. I was praying for my brothers and my mom. I was scared. I really didnt know what was going to happen. Reporter hit in the back of the leg, taylor tackled her nearest son, and then, what shell never forget. The officers racing to protect them. The officer jumped on top of me and covered me and my son and there was another one at our feet. I saw another officer saw another officer get shot right there in front of me. Reporter an image hard to forget, and kindness she never wants to. They saved my life, they saved my sons life, all of us. And i want to say thank you to them. Reporter and that 12yearold son, david, he now wants to be a Police Officer. David . Martha raddatz live tonight in front of that growing tribute in dallas. Martha, thank you. This evening, police in several communities are bracing amid new protests already, and the images coming in tonight. Abcs alex perez is in baton rou rouge, where more than 100 have been arrested. In minnesota, an officer suffering a spinal injury during the protests there. Reporter from San Francisco to chicago to philadelphia, protesters taking to the streets today. After a weekend of heated demonstrations. In st. Paul, more than 100 protesters arrested. Some lobbing fireworks at Law Enforcement. 21 officers injured, including one officer who ended up with a spinal injury after a large concrete block was dropped on his head. Tonight, that officer now recovering. In baton rouge, this image quickly going vie value, becoming a symbol for peaceful protest. Ieshia evans, standing with her arms crossed, as officers in full riot gear move in. I appreciate the well wishes and love, but this is the work of god. I am a vessel. And david, Authorities Say a majority of the protesters who were arrested have been released. David . Alex perez, thank you. There is police audio newly obtainened tonight in that Deadly Police shooting in that livestream on facebook. Millimeters have watched the girlfriend calmly narrating on facebook in those moments after. For the first time, the Police Officers attorney with a new side to the story, as we also now hear that new audio from the moments before that shooting. Abcs eva pilgrim is on the scene. Oh, my god. Please dont tell me hes dead. Reporter tonight, we are hearing the moment two minnesota Police Officers pull up behind Philando Castiles car. I have reason to pull it over. The two occupants just look like people that that were involved in a robbery. He was just getting his license and registration, sir. Reporter and were learning that Police Officers account of what happened before he shot Philando Castile dead in his car. There was more than one reason to stop the car. There was more than the reason that the brake light was cracked. Reporter the attorney for him saying his client pulled him over in part because he resembled a robbery suspect. Just a day earlier Police Released these images of suspects from a recent robbery. Yanezs attorney claims the officer had reason to pull castile over and reason to use deadly force. This incident had nothing to do with race, and everything to do with the presence of a gun. Reporter but castiles girlfriend says that gun was never a threat. So, what happened . Did the gun ever come out . No. Absolutely not. He was never even asked was he armed or anything. We told him. He told him. Reporter david, both officers involved are on paid administrative leave. The investigation ongoing. David . Eva, thank you. Now, to the race for president , and the leadership test amid this crisis. Donald trump today declaring himself, quote, the law and order candidate. Hillary clinton offering her support to police, but going a step further. Both knowing fullwell, voters are studying their words in the aftermath of the Deadly Police shootings and after dallas. Heres abcs tom llamas. Reporter donald trump announcing today, theres a new sheriff in town. I am the law and order candidate. Reporter with the country locked in a debate about race and policing, trump arguing, as president , hed be tough, but fair. But im also the candidate of compassion. Believe it. Reporter trump acknowledging the Police Shooting deaths in baton rouge and minneapolis, but making it clear, he stands with Law Enforcement. Its time for our hostility against our police and against all members of Law Enforcement to end and end immediately. Right now. Reporter Hillary Clinton also supporting the police, but in an interview with david, taking it a step further. Do you think that Police Officers are getting a bad rap across this country because of the actions of a few . Absolutely. I think the vast majority of Police Officers in our country are serving honorably and bravely, and thats why its very important we support their work, that we respect their service and at the same time, we put in place guidelines to make sure that every Police Officer understands what is expected of him or her. Reporter trump today also revealing his search for a running mate is down to four people. Recently, hes auditioned newt gingrich, new Jersey Governor Chris Christie and indiana governor mike pence. The latest name to surface . Retired general michael flynn, but he raised eyebrows among conservatives, telling Martha Raddatz he supports abortion rights. I think women have to be able to choose. Reporter but today, a reversal. Flynn now calling himself a prolife democrat. And tom llamas is live in virginia. One more Major Development tonight. Hillary clinton expected to get that endorsement now from Bernie Sanders tomorrow. What do you know tonight . Reporter thats right, david. That endorsement expected to happen tomorrow in new hampshire, during a joint appearance. Sources tell abc news, after weeks of intense negotiations, the candidates have found Common Ground on some key issues. David . Well be on that tomorrow. Tom, thank you. Now, to Vice President joe biden, weighing in on the race for president. He met with Law Enforcement officials today before talking to george stephanopoulos. George asked the Vice President to respond to trumps words just today. Donald trump was out today, saying hes the law and order candidate. Hes going to make america safe again. Is that your response . A laugh . Well, thats i id rather not make this story about donald trump, so im going to restrain myself, but the truth of the matter is that one of the problems weve had is getting funding for Law Enforcement from his party. And maybe hell come forward and be supportive of more support for community policing. George stephanopoulos oneonone with the Vice President. And georges sbir interview with Vice President joe biden, tomorrow morning right here on good morning america. And abc news will be in cleveland when the Republican Convention gets under way, one week from today. In the meantime, overseas tonight, the American Military increasing its numbers in iraq. Defense secretary ash carter making a surprise visit to baghdad today. He says the u. S. Will send 560 more troops to the region to help in the fight against isis. Many will be deployed to a newly recaptured air base in iraq. A major shakeup in the British Government happening much faster than expected tonight. Prime minister David Cameron today announcing he will officially step down this week, two months earlier than planned. He was then caught with an open mike as he walked away from the cameras. Thank you very much. Leaving office, walking into 10 downing and listen. Do do caught humming. Teresa may takes over as Prime Minister in just 48 hours. Back here at home tonight, the major wildfires burning in the west at this hour. Hot, dry conditions fueling 13 large fires burning across six states now. Police arresting two campers near boulder, colorado, accusing them of igniting the flames, forcing 2,000 people from their homes. Firefighters now with the upper hand, battling the sage fire in santa collar rita, california, burning across 1,100 acres. In the east tonight, millions bracing for severe weather. Lets get to rob marciano, live in new yorks central park tonight. Rob . Reporter david, a strong system in the midwest right now. We do have storms that are popping, already a confirmed tornado in minnesota, just north of minneapolis. We have a tornado watch out there. Watches all the way down to kansas and overnight, the storms could become dangerous with 70mileperhour winds across parts of iowa. Tomorrow, the threat zone extends from kansas city all the way to chicago. Could see a repeat performance of what were seeing right now. That same system bringing cooler weather to the fire zone, but still dry and still windy. Red flag warnings remain up in critical fire danger through tomorrow. No significant rain, at least for the next couple of days. David . Rob marciano with us again tonight. Rob, thank you. There is still much more ahead on world news tonight this monday. The takeoff aborted and the terrifying moments onboard. What happened when a pilot slams on the brakes, as a passenger jet barrels down the runway toward takeoff. Also tonight, the desperate search for a very popular singers son, and what may have led to him missing. And the moment a navy plane tries to land on an aircraft darier. Look at this. It looks like its landed, but then moments later, watch what happens. Well be right back. A dvt blood clot. After what about my wife. What were building together. And could this happen again . I was given warfarin in the hospital, but wondered, 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. Eliquis can cause serious, and in rare cases, fatal bleeding. Dont take eliquis if you have an artificial heart valve or abnormal 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 to eliquis right for me. Ask your doctor if its right for you. dog mmm, beneful healthy weand lowcalorie. Keeps me looking good. Hey, i get some looks, i hear the whistles. vo beneful healthy weight, a delicious, lowcalorie meal your dog will love. With wholesome rice, real chicken, and accents of vegetables and apples. Now to the scare on the runway in houston. The united passenger jet forced to abort takeoff. And heres abcs kayna whitworth. Reporter tonight, passengers recounting the terrifying takeoff on a united flight out of houston. Everybody in the front were, like, sparks reporter the pilot slamming on the brakes over fears of a possible mechanical problem. I think we blew a tire. You do have sparks coming out your left side. We got trucks coming. Just sit where you are, well get you some help out there. Reporter meg trejo and her husband taking pictures of the emergency crews who responded. We were going so fast. I was scared. My stomach definitely dropped. Reporter United Airlines telling abc news two tires blew out when the pilot hit the brakes. A similar problem just two months ago on another united flight. A tire blowing before takeoff, igniting a fire, engulfing the plane in smoke. Were going to die. Reporter usually, the only time you see tires blow in tandem is when the crew has asked so much of the braking system that it literally did lock up the tires. Reporter david, luckily no one was hurt on todays flight. All arl planes are equipped with antiskidding technology to help ensure the tires dont pop. Something the airline will be investigating. David . Thank you, kayna. When we come back on a monday night, the desperate search for a popular singers son tonight. New details coming in after the search for these three boys. What led to some very frightening moments. And has the biggest summer craze hit your neighborhood, perhaps your own home . If so, we want to hear from you on pokemon go, coming up. 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To the index and new video showing the moment a navy plane nearly crashes off an aircraft darier. The video shows a hawkeye on its approach there during a Training Mission off the virginia coast. When the landing cable on the flight deck snaps, look at this. It disappears out of sight. And then all of a sudden reappears as it takes off again. Eight sailors were injured when the cable violently recoiled. The navy blaming human error tonight. The desperate search continues for the son of a Famous Country star after a tubing accident. Jerry greer, the 19yearold son of craig morgan, never resurfaced after a tubing accident in tennessee. The search today turned from a rescue to a recovery. The Country Singer thanked his fans in a statement for their support and their prayers. And a happier ending after three boys spent a frightening night inside a wisconsin mine. Authorities announcing the teens were found safe and uninjured inside the mine after a massive search. They vanished sunday. A rescue team discovered a footprint inside the mine and heard the boys calling for help. When we come back here tonight, get your tweets ready. We want to know what you think about this new pokemon craze. We explain it all, after the break. Max and i just discovered this dog treat called dentalife. Its really different. See . Its flexible. And it has a chewy, porous texture, full of little tiny air pockets that gives dogs teeth a clean scrub all the way down to the gum line. vo purina dentalife. For life. W. I was always searching for ways to manage my symptoms. I thought i had it covered. Then i realized managing was all i was doing. When i finally told my doctor, he said humira was for people like me who have tried other medications,. But still experience the symptoms of moderate to severe crohns disease. In clinical studies, the majority of patients on humira saw significant symptom relief. And many achieved remission. Humira can lower your ability to fight infections. Including tuberculosis. Serious, sometimes fatal infections and cancers,. Including lymphoma, have happened; as have blood, liver, and nervous system problems, serious allergic reactions,. And new or worsening heart failure. Before treatment, get tested for tb. Tell your doctor if youve been to areas where certain fungal infections are common, and if youve had tb,. Hepatitis b, are prone to infections,. Or have flulike symptoms or sores. Dont start humira if you have an infection. If youre still just managing your symptoms, ask your gastroenterologist about humira. With humira, remission is possible. Defianour citracal bones. Easily absorbed calcium plus vitamin d. Defy bone aging with citracal maximum. Our highest level of calcium plus d. Finally tonight, no question, the summer craze is here. Are your kids, your grandkids playing . Better yet, are you playing . Abcs david wright reports, family members and friends are now saying, catch me if you can. Reporter its a japanese fad from the 90s, given new life in the era of smartphones. Pokemon pocket monsters jumping from the gameboy right into the palm of your hand. Pokemon go uses the gps data from your cell phone to let you track pokemon in the real world. Were in central park. The creators call it augmented reality, putting the colorful Little Creatures right in your path. Today, the National Park service noted disturbing reports of charmanders and jigglypuffs roaming around the grounds of the washington monument, asking pokemon players to be respectful. The nypd is playing it, too. But they and others warn, play carefully. The game, so popular, its now number one on itunes, adding 9 billion to nintendos bottom line in just one week. Im on the hunt. Are you . Poke balls at the ready. David wright, abc news, new york. I think david wright is still missing somewhere in central park. We have to go find him. Im david muir. Thanks for watching on a monday. I hope to see you right back here tomorrow. From all of us here, david this is jeopardy here are todays contestants a phd student from athens, georgia. A Management Consultant originally from philadelphia, pennsylvania. And our returning champion, a writer and editor from louisville, kentucky. Whose 1day cash winnings total. And now here is the host of jeopardy alex trebek [ cheers and applause ] thanks, johnny. Thank you, ladies and gentlemen. Its the start of a new week. Were delighted to welcome back our champion, pam, who enjoyed the weekend, im sure, having won a lot of money on friday. It was terrific. Yes. Jason and katie, welcome aboard. Good luck. Here we go