here's abc's senior national correspondent jim avila. [ gunfire ] >> reporter: as the sound of the hail of bullets in chatanooga fade away authorities look into the past of yet another lone wolf shooter. we're learning more details about mohammod youssuf abdulazeez. a naturalized american citizen born in kuwait. the 24-year-old was an electrical engineer with a good paying job. he was an athlete, seen here competing in an amateur mixed martial arts event. >> mohammod youssuf abdulazeez! >> reporter: here in a individually he posted to social media, jumping in a swimming hole with friends. in 2012 he graduated from the university of tennessee. his mom posting these photos on facebook. four years earlier. heave joked ed he joked in his yearbook writing my name causes national security alert. what does yours do? >> he was just a typic american kid in high school. >> reporter: abdulazeez's high school teacher who hasn't seen him in seven or eight years recalls how he was as a teenager? >> i mean he was a joker all the time. remind you of a regular fraternity boy or something. >> reporter: m

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>> jim avila leading us off tonight. jim, thank you. >>> and now to the suspect. we have learned tonight, he was not under active surveillance by the fbi. tonight, what we know about the 24-year-old tennessee man, reportedly with a good paying job, a recent college grad. and what he said before in his careerbook. abc's senior justice correspondent pierre thomas now. >> reporter: tonight, the fbi is identifying the suspect at muhammad youssuf abdulazeez shown here in a mug shot from a drunk driving arrest earlier this year. he is 24-year-olds on and sources say, born in kuwait. authorities are now investigating if he was inspired by isis or another terrorist organization. sources tell abc news this man was not under active survey lebs surveillance if i the fbi. but abdul sooez joked in his 2008 high school yearbook that my name causes national security alerts. what does yours do? tonight, we learned the 24-year-old was an electrical engineer with a good-paying job. a recent grad of the university of tennessee. his mom posting these graduation photos on facebook. he

jim avila live in washington for us thank you. i want to get right to retired colonel steven ganyard. i want to take our viewers back to those images late today of the debris discovered. when you look at that debris, what do you see? >> it's interesting you can see the barnacles on this debris. it's been in the water a long time. the problem is that it's drifted so far away from where we think the airline went into the water that it's really not going to tell us where that airplane is. it's a nice piece of evidence. the families can begin to have closure, but in terms of telling us where the actual airplane is on the bottom of the indian ocean and why it got there, that's still a mystery tonight. >> you heard me mentioned one year four months and 21 days how remarkable would it be to find it this long after it disappeared? >> if you saw the map of the indian ocean, david, that debris drifted 4,000, 5,000 miles, so it took that long to get to the other side of the indian ocean but it still doesn't tell us where the airplane went in

jim avila with what happened next. >> reporter: a rare and serious mid-air scare. an alegionant airlines md 80 on a flight from las vegas to fargo, north dakota carrying 150, less than five minutes from falling out of the sky as the fuel gauge registers near empty. >> we're circling fargo. we don't have enough fuel to go anywhere else. >> roger, there will be a window opening in about 20 minutes for a landing. >> yeah i don't have 20 minutes. >> an exchange you never want to hear. the pilots had been delayed on takeoff from vegas and arrived after the fargo airport had been closed by a navy blue angels practice planned months before. the air controller directing him to another airport unless he declared an emergency. >> is grand fox airport, which is 70 miles to the north? >> listen we're out of fuel in about probably three to four minutes. >> bingo is a military term that means running on empty. >> there were two mistakes here. one, nobody picked up the blues were practicing. two, they didn't leave enough gas in case there was a problem with that airport. >> emerg

abc's jim avila leading us off. >> reporter: helicopters today are searching the shores of reunion island. tonight, a battered suitcase found on a beach. no clues yet about its origin. while on shore, local police load the sea-worn, but crucial wing part into an evidence van and strap it in. the first leg of a long trip to france tomorrow, where investigators tell abc news they will start the critical csi work on the floating debris. >> the important thing is to make sure it's clearly identified as a 777 part. >> reporter: a reliable u.s. government source tells abc news boeing engineers have indeed seen this number 657bb on the debris and the matches a 777. the critical part called a flaperon. >> the flaperon is in this area of the wing. >> reporter: it helps the plane turn and is also used to slow the plane down for landing. experts say it looks like the flap was extended, leading them to the initial conclusion that mh370 may not have been in a steep dive when it disappeared. >> what i don't see is a severe nose-down impact. it looks like it's a little bit higher than that and that the

jim avila on the hunt for your money. >> reporter: our hunt defined how medicare is losing billions of dollars brought us here chicago's south side and this odd location for a doctor's office. >> you run the mailbox place? >> yes, we do. >> reporter: right next door to a porn shop, a mailbox store where medicare has sent nearly $600,000 in payments. it's listed as suite 308 which is just a mailbox. >> nobody is practicing medicine in here? >> no. >> reporter: the law says payment should be sent only to a location where someone is practicing medicine. still your money flowed in. >> how much? >> $592,000. >> at least got a bigger box. >> reporter: today in a government report first obtained by abc news federal investigators charging medicare is not checking where it's sending your money, making it too easy for thieves to steal a record $60 billion, an 23,000 fake or bad addresses like the address for this hamburger stand outside dallas and this vacant lot west of denver. >> we need to fix this problem and can fix this problem. >> reporter: we went to capitol hill to ask the man in charge

>> jim avila leading us off tonight. thank you. i want to bring in retired colonel steve ganyard, a pilot himself. i want to take our viewers back to that piece of wing because the angle of that flap and how intact the debris is, as you heard jim report there, leading some to believe that someone might have deliberately done this. what do you think tonight? >> david, i think you're right here. there are two scenarios at the end game of this flight. everybody was unconscious; the airplane went in at a very steep angle. what we're seeing here on this debris is something that's intact which opens the very chilling possibility that there was somebody alive, conscious, and trying to land that airplane after it ran out of gas. >> steve, when you hear that that number has been linked to a boeing jet and there's only one 777 missing, do you have any doubt tonight? >> i don't have any doubt, david. the problem is that this piece on the other side of the indian ocean is not going to tell us where the rest of the wreckage is on the bottom of

>> jim avila tonight. jim, thank you. >>> this evening, the race against time in that urgent search for two 14-year-old boys. lost at sea after heading out on a fishing trip alone. the coast guard discovering their boat capsized in the atlantic. tonight, that search zone expanding. take a look. from savannah, georgia, to cape canaveral. word of something spotted that gave hope for a time today. here's abc's kendis gibson. >> reporter: tonight, it's a race against time. as new images emerge of the massive search effort for two missing florida teens. abc news on board this coast guard c-130, part of the fleet searching for the two 14-year-olds. their parents at home not giving up. >> i truly believe in my heart they're okay. they're both extremely strong young men. >> reporter: today, a brief glimmer of hope. a water cooler spotted 18 miles off the coast of georgia. turns out, not to be the same one the boys had on board their 19-foot boat. it's so difficult to find anything on the open watter. look at how h

some of that money is sent to fake or bad addresses as abc's jim avila investigates. >> reporter: our hunt to find how medicare is losing billions of dollars brought us here chicago's southside and this odd location for a doctor's office. >> you run the mailbox place. >> yes. >> reporter: right next door to a important shop a mailbox store where medicare has sent nearly $600,000 in payments listed as suite 308 which in reality is just a mailbox. there's nobody practicing medicine in here. >> no. >> reporter: the law says payments should be sent only to a location where someone is practicing medicine. still your money flowed in. >> how much? >>. >> reporter: $592,000. >> they at least could the have gotten a bigger box. >> reporter: in a government report federal investigators charging medicare is not checking where it's sending your money. making it too easy for thieves to steal a record $60 billion. an estimated 23,000 fake or bad addresses, like the address for this hamburger stand outside dallas and this vacant lot west of denver. >> we can fix this problem. >> reporter: we asked t

. >> jim avila has the latest. >>reporter: helicopters today searching the shores of island. tonight a battered suitcase found on a beach. no clue yet about its origin. while on shore local police load the sea worn but crucial wing part in an evidence van and straps it in. first leg of a long trip to france tomorrow where investigators tell abc news they start the critical work on the floating debris. >> important thing is to make sure it's clearly identified as triple 7 part. >> rae liable u.s. government source tells abc news boeing engineers have seen this number engineers have seen this number. tell on the debris. it matches a 777. critical part is called a flaper open. >> thinks in this area of the wing. >> helps the plane turn. also used to slow the plane down for landing. experts say it looks like the flap was extended. leading them to the initial conclusion that mh 370 may not have been in a steep dive when it disappeared. >> what i don't see is a severe nose town impact. it looks higher than that. it's normal if you tray to fly the plane slowly. >>reporter: trying to

all of this as we're learning more about his mindset, just before that deadly ram page and jim avila has the latest. >> reporter: good morning, paula. overnight, a source close to the shooter's family telling abc news that he was not radicalized, but instead they say he was depressed about a dui arrest and that he was self-medicating. they said they're sorry to the chattanooga community. a community that's been showing up at the shooting site by the thousands. as the fbi finished crime scene evidence-gathering overnight, the other side of the yellow tape filled spontaneously with mourners, entire families carrying flags and honoring the heroes who died in chattanooga. >> recognizing how much everybody loves them and loves our country and our community is made clear by the showing. >> reporter: as the memorial grows here, recruiting stations across the country are hunkering down, the pentagon ordering recruiters in civilian clothes in the office. in six states, governors have ordered national guard recruiters to arm themselves. florida temporarily moving all of the recruiting stations

jim avila has more. >> tonight bullet hole and shell casings at the military recruiting center for the rampage began. 10:45 man in silver ford mustang convertible the top down the driving in the strip mall. offices here for all 4 branches of the military. >> he just pulled up and next thing you know he lifted up the arm like this with big black gun and one shot. it was just endless shots one after another. the into the army. >>reporter: dozens of shots. one hit in the leg. the gunman flee racing 7 miles down the highway to navy reserve support center. sound of gunfire is heard where he kills 4 marines and shot to death himself by police. >> all unit respond all unit respond. >>reporter: authorities now identifying him as 24-year-old mohammad josef abdul and tonight the aerial pictures found abandoned at the scene. chattanooga now 60 in -- city in crisis. >> this is a very, very terrible situation. we need to go figure out how we can handle it. >>reporter: hospital emergency rooms locked down. local colleges too. back at the strip mall. terrified workers. barricading themselves inside s

here's jim avila. >> reporter: gates overflowing, ticket counters jammed. delay boards bleeding red. some totally blank as lines of passengers snake across the united airlines curbsides. >> we came in, we could barely get into the door because the lines were so long. >> reporter: the nightmare begins at 7:30, the height of morning takeoffs when a computer router malfunctions preventing communication with planes on the ground. 59 flights canceled, 800 delayed. >> this is systemwide, this computer failure throughout the united system which means nobody is going nowhere. >> reporter: by 9:30, lines are growing and united tweets, we're working to resolve and apologize for any inconvenience. but not until an hour later does a united spokesman confirm the computers are back, but not completely. >> it's probably the longest line i've seen at the airport. >> reporter: united tweeted a video apology, promising to wave change fees. >> thank you so much for your loyalty and business. we're continuing to work hard to earn it. we again apologize for the inconvenience. >

jim avila, abc news, chattanooga. >> and here's what we know about the suspect so far.tanooga with a degree in electrical engineering, and reportedly had a good-paying job. abdulazeez was involved in mixed martial arts. sources tell abc news that he was not under active surveillance at any point. at one point, his father was reportedly put on a terror watch list but later removed. president obama promising a prompt and thorough investigation. >> to the four marines that have been killed it is a heartbreaking circumstance for these individuals who have served our country with great valor to be killed in this fashion. >> there's been an uptick in security across the country, including military facilities in manhattan. well stay with abc news all morning long. as new developments come in from tennessee, we'll take you to chattanooga on "good morning america." >>> now to the colorado theater shooting. jurors took 13 hours to convict james holmes of first-degree murder and other charges. abc's brandi hitt with emotion in the courtroom. >> we the jury find the defendant, jame

jim avila, abc news, washington. >>> now to the scare on wall street. shut down for hours.ock exchange was paralyzed for hours today. here's abc news lotter tom yerreporter tom lamas. >> reporter: today the new york stock exchange paralyzed, trading halted for hours brokers staring at blank screens. at the 9:30 opening bell traders already noticing computer problems. an hour later reassurance from the stock exchange saying the problems are mostly resolved. but then at 11:32 trading suspended completely. no buying, no selling traders looking at nothing on the terminal screens. >> obviously a little bit unnerve'll just in the sense it reminds us of the vulnerability of interlink system. we used to trade with pads and paper. >> reporter: the exchange trading they are experiencing a internal technical issue. the white house weighing, in this is not terrorism or a cyber hack. >> at this point there's no indication that malicious actors are involved in these technology issues. >> reporter: only at 3:10 p.m. does trading resume. this is the longest a technical program has shu down

today, jim avila in chattanooga, on the police officers that rushed toward the gunman even as he was firing. >> reporter: tonight, chattanooga police say officers bravely advanced on mohammad youssuf abdulazeez. >> they were under a tremendous about of gunfire, and continued to move forward. >> reporter: the chattanooga chief saying he has never been prouder of his officers. facing what he called a brutal evil killer. the gunman killed by police but not before four fell. thomas sullivan skip wells, just 21 raised by a single mother that drove a school bus. played clarinet in his high school band. it was his second day of assignment in chattanooga. >> he did doing what he loved. >> reporter: in wisconsin, carson holmquist's picture, hanging on his high school's military honor wall. and david wyatt, his aunt telling us his life was one of honor and love. and tonight, at the memorial, the bodies will be flown to families for funerals. >>> we'll turn to another disturbing headline from maine. anthony lord killing two people. he was on the state's sex offender rejgistryregistry and the in

abc's senior national correspondent jim avila has our report on the marines targeted. an act of domestic terrorism. >> reporter: the crackle of gunfire from a deadly rampage in chattanooga, tennessee. where a lone shooter killed four marines in a hail of bullets, injuring at least three more. >> today is a nightmare for the city of chattanooga. >> reporter: the harrowing ordeal began at 10:45 a.m. a man in a silver ford mustang convertible, his top down drove into this strip mall. there are offices here for all four branches of the military. >> he just pulled up next thing you know he lifted up his arms like this with a big black gun and just -- it was one shot and then it was just endless shots. >> reporter: the shooter fired dozens of rounds. one marine was hit in the leg. >> we heard a loud pop. and so the owner of the salon and i went to the window to see what was going on. >> reporter: but within seconds, the gunman took off, racing the highway to a navy reserve support center. he entered and started shooting again, killing those four marines. >> all units respond

jim avila, abc news, washington. >> wow. could you imagine being on that plane? they probably didn't know what was going on, did they? the passengers didn't know all this was going on. but to think, identify got three or four minutes of fuel. yeah three or four minutes, i'm going to be in bingo. i don't know what that means. sounds innocuous enough. we've got a problem. >> oh, boy. >> aye-yi-yi. but how do you not have enough fuel? again, regulations require planes to have enough fuel to get to their destination airport and predesignated diversion airports plus plus an additional 45 minutes of flying time. they did not have that, clearly. >> come on, on your car it has a little yellow light that lights up. i can't imagine a plane, right? >> simple as that. >>> coming up, the olsen twins possibly getting back to their roots on television. >>> also the latest movie remake starring one bad mother. >> shut your mouth. >> that's it. >> "the skinny" is next. ♪ skinny so skinny ♪ >>> topping the "skinny" this morning, more exciting news for "full house" fans. >> yes. we

here's jim avila. >>> reporter: tonight, that wing part found on the beach, packed on board a plane to france and europe's leading center for analyzing aircraft wreckage. while on reunion island, beachcombers search for more evidence by hand. and helicopters like the one bbc reporter karen allen flew in today. searching from the air. >> up here you really can appreciate the challenges that investigators face. >> reporter: those investigators now downplaying the likelihood that suitcase came from the missing plane. focusing on the wing part found by this islander looking for a rock to pound spices. who only called police after a google search pointed him to mh370. the part, called a flaperon, helps the plane turn and slow down on approach for landing by pivoting down. the numbers 657bb found in this boeing 777 maintenance manual match numbers found on the barnacle-covered debris. and what does that barely damaged piece of wreckage tell us? it may support early evidence that someone was at the controls, first deliberately turning off course and finally trying to make the plane disappear

here's more from abc's jim avila. >> reporter: helicopters searching the shores of reunion island.wing part into an evidence van and strap it in. the first leg of a long trip to france where investigators tell abc news they will start the critical csi work on the floating debris. a reliable u.s. government source tells abc news boeing engineers have seen this number -- 657-bb -- on the debris, and it matches a 777. the critical part is called a flaperon. >> the flaperon is in this area of the wing. >> reporter: it help the plane turn and is also used to slow the plane down for landing. experts say it looks like the flap was extended, leading them to the initial conclusion that mh-370 may not have been in a steep dive when it disappeared. >> what i don't see is a severe nose-down impact. it looks like it's even higher than that and that the flaps were deployed which would be normal if you were trying to fly the airplane slowly. >> reporter: even though the distance to the australian coast where searchers have been focused is 2,600 miles, it is possible that plane debris would float

the plane did land safely and abc's jim avila has our story. orning, jim. >> reporter: good morning lara. it was a short flight less than an hour but passengers aboard one of the newest planes will not forget. this morning a look at what severe hail can do to a modern jetliner. >> yeah wow. >> reporter: this brand-new boeing dreamliner took off monday an american airlines flight from beijing headed to dallas/ft. worth. 44 minutes into the flight the plane hit severe weather. >> all we can tell you it was just crazy, going sideways up and down. >> it was scary. >> we dropped a good few hundred feet at least. >> i thought the plane was going down actually. >> that feeling of shhh. >> reporter: the pilots pump turned back and landed safely but with some major depths in the nose cone. >> hail can damage an airplane to the point that it actually brings an airplane down if it damages engines or control surfaces it can make it unfly unfliable. >> reporter: it's not the first time this happened. in june this 747 forced to land after hail pummeled the no

jim avila, with the controversy and another investigation. >> reporter: tonight, outrage about what's written behind the door of this baltimore police van. in this photo obtained by abc news, you can clearly read, "enjoy your ride, cuz we sure will!" it was in just such a police transport van that freddy gray died in police custody. and now baltimore police are announcing an internal investigation to find out who put the words there. calling the sign "concerning and unacceptable." >> you deserve some kind of consequence. suspension or some time off without pay. >> reporter: freddie gray's autopsy found he suffered a "high energy" neck and spine injury while in the back of the police van. some baltimore police have been accused in the past of purposely giving rough rides as a means of torture. christine abbott, an assistant librarian at johns hopkins university, is suing baltimore, claiming cops gave her a maniacal drive while in handcuffs after she was arrested for a noise violation. >> it was horrifying. we were bumping around. it was really scary. >>> and we turn overseas to greece.

jim avila with the story. >> reporter: new pictures obtained exclusively by abc news show a smiling happy young man but a source close to the family claims the 24-year-old was troubled mentally after a dui arrest in april that left him frightened and embarrassed. the family saying that his seven-month sojourn to their home country of jordan last year was designed to get him away from bad influences in the u.s. and although he was a devout muslim, he was conflicted, using alcohol and marijuana against e rules of islam. the family apologizing to the victims and their families saying, "the person who committed this horrible crime was not the son we knew and loved. it grieves us beyond belief that his pain found its expression in this heinous act of violence." the mother of one of the victims, sailor randall smith, came to chattanooga from kansas immediately after she was notified her son had been shot and today laid a flag where the shooting began. >> he is my hero. >> reporter: tate -- late today the hearse carrying him driving away. back at the strip mall recruiting center, thousands keep

jim avila, abc news, washington. >> the man known as the british oscar schindler has died.icolas win then credited with saving more than 650 jewish children from the holocaust by helping them escape from nazi occupied prag to england. he kept what he did a secret even from his own family till 1988 when his wife found documents in their attic. then came a big surprise during a bbc show called "that's life." >> is there anyone in their audience who ohs their life to nicolas wynton? if so, could you stand up please? >> what a moment there. sir wynton's family says he died peacefully in his sleep. sir wynton 106 years old. >> that video was powerful. >> some record setting heat. brits were packing pools and beaches getting in the water as they dealt with their hottest july day on record. temperatures hit 98 degrees in london, making things difficult for tennis in wimbledon. it's not expected to be quite as hot there today. >> here at home a rough night of storms in the kansas city area. at least one tornado confirmed. it's in the distance there. you can make it out. spinning in

jim avila, abc news washington. >>> the australian prime minister whose countries is leading the searchhe plane is calling the discovery the most encouraging sign so far at the search continues for black boxes or the rest of the wreckage officials say it's consistent with their theory that the plane flew for several hours after disappearing from radar. and possibly crashed after running out of fuel. experts are looking at two scenarios. >> everybody was unconscious. the plane went in at a steep angle. we're seeing something on the debris which is intact which opens the chilling possibility that there was somebody alive, conscious and trying to land that airplane after it ran out of gas. >> as the wing piece heads to france many families who lost loved ones on the flight are skeptical of the theory saying they want 100% proof. >> the former cincinnati police officer charged with murder is out of jail on bond this morning. ray tensing's attorney says he received offers from all over the country from people willing to put up the money. the attorney says tensing is getting death threats. wi

abc's senior national correspondent jim avila who broke the news of the diplomatic breakthrough in december with the new details tonight. jim? >> reporter: amy, here at the once and now future home of the cuban embassy, they're ready to raise the flag on the newly installed flag pole. the ambassador showing us the folded flag ready to be hoisted over the refurbished site the weekend of july 20th when diplomatic relations are officially resumed. in havana, the american embassy has been spruced up as well for its re-opening this month. both presidents saying today that there are many issues still to be resolved, but now diplomats are free to travel nationwide and meet with the people. amy? >> jim, thank you so much. >>> big changes are coming to the new york state prison that allowed those two convicted killers to escape. a new superintendent has now been put in charge to implement new security measures. among them, weekly inspections of cell walls, random bed checks, gates inside the tunnels, and shutting down the honor block where inmates like sweat and matt could cook and visit each other'