Is nbc nightly news. Reporting tonight lester holt. Good evening. The st. Louis county police chief is calling last nights shooting of two Police Officers in ferguson missouri an ambush. Nbc news is there as the shots rang out striking and wounding the officers just hours after that citys Embattled Police chief agreed to resign. It happened near the end of a protest. Tonight, the hunt for the shooter goes on. And ferguson itself which has ridden a wave of anguish, mistrust and change since the Michael Brown killing faces an unsettling future. Ron allen is back in ferguson for us tonight. [ gunfire ] reporter without warning gunfire, at least three shots shattered the calm evening outside Ferguson Police headquarters. Shots fired. Officer down. Reporter a potentially deadly moment. Is he hit . Yeah in the face. Reporter two officers hit. One took a bullet through the shoulder. The other hit in his face. Rushed from the scene. An nbc news team right in the middle of the chaos. The police said get down get down and guns were drawn. We all hit the floor. It was a frightening moment. Reporter the Police Response was intense. Scores surrounding headquarters launching a manhunt. Police say the weapon was probably a handgun fired from a residential neighborhood on a hill overlooking headquarters. It got quiet. All he heard was the police of course shot him took cover and they get their guns out and riot gear out and stuff like that. It was pretty surreal. Reporter a stunning end to a demonstration that was winding down following the resignation of embattled Ferguson Police chief tom jackson earlier in the day. The sixth City Employee out of a job along with the city manager and top judge since a scathing federal report charging widespread bias. Commanders sat through months of protest, the gunfire often in the air they long feared this might happen. Were lucky by gods grace we didnt lose two officers last night. Idiotic thing. Reporter Charles Davis opened a new business the day before Michael Brown was killed last august. And violence erupted along fergusons main drag. Now this. Surprised. Very surprising. Especially with the fact we are getting the changes that we were finally reporter the davis say theyll see it through among many wondering when this beleaguered city will ever escape what feels like a constant downward spiral. The two wounded officers left the hospital today. Theyre expected to make recoveries. Meanwhile that intense manhunt continues with several people brought in for questioning during the day, but no suspects named and no arrests as of yet. Lester. And, ron, im sure the citizens there, the police theyre all worried about what the night could bring. What are you hearing about plans for more protest. Reporter a lot of tension, a lot of emotion. Were hearing there will be a candle light vigil here in the next few hours. A lot of people will join that gathering no doubt with a lot of different agendas. We understand the county police and Highway Patrol will be here the way it was during the states of emergency during the worst of times in ferguson. Ron allen in ferguson. Thank you. We want to turn to the new scandal in the secret service. Sources familiar with the investigation are telling nbc news that the pair of agents that crashed a car into a white house barrier after they reportedly been drinking careened right into the middle of a potentially very dangerous security situation. Nbcs Chris Jansing is at the white house to tell us more about it. Hi chris. Reporter hi lester. This latest embarrassment for the secret service has people shaking their heads incredulous. A target of investigation by the Inspector General of homeland security. And it comes at a time when they know scrutiny of the agency has probably never been higher. For years he was one of the elite agents president obama trusted with his life. From ireland to arizona to ohio but now Mark Connolly and ogelsvie are being charged drove a government car into White House Security barricades after drinking at a latenight party. Nbc news has learned it started here at a bar in chinatown at a party for a coworker. Then its a quick drive to the white house only about a mile away. At the southeast gate of the white house a woman pulled up and got out of her car. According to the Police Report had a parcel wrapped in a green shirt which she said was a bomb. By the time the secret Service Agents arrived lights flashing they broke through a police tape hit a barrier interrupting an active bomb scene investigation. It could be very serious because we have no idea of the suspicious package and what it contains. Reporter and a source close to the investigation says the agents car came close to hitting the package, all caught on government video now in the hands of investigators. On capitol hill theres bipartisan outrage on the committee that oversees the service. Does it really need to be said that you cant show up drunk at work especially when youre in the secret service . Theres absolutely no doubt that heads need to roll. Reporter congressman chaffetz says he learned from the breach not only from agency but four whistleblowers. Officers on duty wanted to arrest the agents and give them a sobriety test but a supervisor said to send them home. After a series of embarrassing incidents, an independent report in december recommended new management be brought in from outside the secret service. But the president went with joe clancy a 27year veteran who had promised to turn things around. Give us some time to earn that trust back and prove ourselves. Reporter but not everyone may have gotten the message. These people if true should lose their jobs. Reporter now the two agents have been reassigned. Theyre not supervising or guarding anyone. And they have not responded to our requests for comment. Lester. All right, chris. The two agents that roll up on the scene, a security situation going on potentially a lot of people. Is it just two people under investigation . Reporter no lester. The Inspector General was brought in because those two are such high level agents but this investigation is going to look at every aspect of this incident. Theyre taking this extremely seriously. And the Congressional Oversight Committee ive talked to both of those members. Theyre definitely going beyond those too. They want to include the supervisor who may have given those agents a pass that night, lester. All right, Chris Jansing at the white house. Thank you. At the Boston Marathon bombing trial jurors were shown dramatic video today of the man who was carjacked by the tsarnaev brothers three nights after the bombings. We get more from our justice correspondent pete williams. Reporter it was the dash to safety that he believes saved his life. Dun ming from china was driving this suv when Tamerlan Tsarnaev jumped in and pointed a loaded gun. The brothers used his atm card to get tash beginning a 90minute terrifying ride. Stopping in cambridge where prosecutors say Dzhokhar Tsarnaev is seen on video buying snacks. Ming said he had to escape right then calling it the most terrifying moment of his life. He saw the chance while the car was parked here undoing his seat belt with one hand and opening the door with another, he jumped out and dashed across the street to call 911. Thats him on this Surveillance Video running to a nearby mobile station. Tamerlan leaps out of the car to tell his brother what just happened. Dzhokhar quickly dumps what he meant to buy and the two leave. Dun ming crawls down low in the mobile station so they wont see him, finds a hiding place and the attendant calls 911. I have one come inside now, and he tells me someone wanted to shoot him. Reporter then ming takes the phone. Please me. They are the suspects of the marathon explosion. Please help me please they have guns. Reporter a short time later dun ming is safe and police begin tracking the gps in the tsarnaev brothers stolen car. Pete williams nbc news boston. Tonight, we have learned the names of some of the 11 u. S. Service members killed when their black hawk helicopter crashed during a nighttime Training Mission off the coast of florida. The coast guard today giving up hope of finding any of them alive. Nbcs mark potter has more from nevar, florida. Reporter searchers have spent nearly two days working the crash site in heavy fog recovering pieces of the downed Army Black Hawk helicopter including a fuel bladder. Late this morning officials from Eglin Air Force base made a dramatic announcement. At this time i can report that we have located the wreckage of the uh60 black hawk. Reporter Authorities Say the chopper lies in 25 feet of water after making a high impact crash into santa rosa bay. They confirm that none of the seven marines aboard or the four men Army National guard crew survived. Remains are still being recovered from the helicopter. A cause of the crash has not been given, but a former pilot says low flying chopper pilots sometimes become disoriented in dense fog which covered the bay the night of the crash. This can produce a phenomenon in the aviation world that we call the Goldfish Bowl effect. Thats effectively when the horizon disappears and the sea melds in with the cloud. Reporter among the dead according to family and friends are two u. S. Marines from michigan. Trevor a father of two and marcus who was engaged to be married later this year. The tragedy is deeply felt at the Camp Lejeune Marine base in North Carolina where Michelle Smith runs a diner. Its personal because a lot of our customers have become our friends. Weve become part of the community. They become part of our lives. Reporter now, meantime Officials Say the flight data recorder which could help investigators is still on the chopper. And they are now making arrangements to bring that helicopter to the surface. Lester. All right, mark, thank you. Overseas now to iraq. And more signs of what looks like progress in the fight against isis. As we reported here last night, isis may be losing its grip on the city of tikrit which was seized by the militants last june. But theyre also on the defensive on another front further north where kurdish fighters are pushing them back. Nbcs bill neely made his way to the front lines today. Reporter there have been few victories over isis but this is one. Kurdish fighters have just driven them from a long front line in iraq. Isis held this smoldering ground for nine months. They fled two days ago after u. S. And Coalition War planes first began hitting dozens of their positions. Air strikes that lasted for three days. We filmed the isis fighters here last year holding a River Crossing their black flags flying near the road to mosul. This is the same scene today. Isis gone. As they retreated they blew up bridges. Under this one they left a small boobytrap bomb. Most of the isis fighters tell me they werent iraqi. Afghanistan. But the conflict here isnt over. The curds have chased isis to where their black flag flies again. The men here say isis fighters now attack them at this new front line at night. Isis have been driven back three miles or so, but theyre not gone. So the kurds are on their guard. Isis were degraded here but not wholly defeated not by a long way. Bill neely, nbc news in northern iraq. We have late word tonight that another american has tested positive for ebola and will be flown to the u. S. Tomorrow for treatment. This patient was apparently infected while volunteering in sierra leone and will be treated at the nih facility in bethesda maryland. Eight others have been infected with ebola and survived. The university of oklahoma storied Football Team making a statement without saying a word today. They staged a silent protest on their field over the video of Ou Fraternity members chanting racist slurs. That fraternity sigma alpha epsilon, has been booted off campus. One football recruit has already rescinded his commitment to the school. Theres more to tell you about here tonight. Dont let this happen to you. How Online Scammers are stealing tax refunds and what you can do to protect yourself. Also dust off the boxes in the closet. 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I found out that the submission through turbotax was actually riddled with errors. And they passed it through still. Reporter he says someone used his or his wifes Social Security number. The recent rash of Customer Data thefts from Companies LikeAnthem Health insurance has officials wondering if thats whats driving this seasons dramatic increase in fraud. Shane mcdugle worked for intuit. People should be very concerned. This is an industry wide problem and theres no incentive to fix this. Reporter he quit and complained to the securities and Exchange Commission claiming intuit by validating emails and associating phone number to each county. When i pitched those ideas i was always told that we didnt want to impact the user experience. Reporter intuit says such claims are unfounded and used appropriate security measures for the threat level at the time. And it instituting new procedures to ensure filers are who they say they are. With the months to go what can online filers do to protect themselves . File as early as possible the sooner the better. And if youre using these Tax Preparation Services online make sure that youre using a unique password. Reporter ethan doesnt know who has his refund. Im going to be dealing with this at the very least for six more months. Reporter wondering just who has his money and information. Anne thompson nbc news new york. When we come back royalty meets nobility as Kate Middleton meets the cast of one of her favorite shows. Hey, girl. Is it crazy that your soccer trophy is talking to you right now . It kinda is. Its as crazy as you not rolling over your old 401k. Cue the horns. Just harness the confidence it took you to win me and call td ameritrades rollover consultants. Theyll help with the hassle by guiding you through the whole process step by step. And theyll even call your old provider. Its easy. Even she could do it. Whatever, janet. 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The proof that it heals is you. Finally tonight, in this age of smartphones and ipads and every imaginable game you can play on a screen you may have noticed Something Else is going on. More and more people are spending hours of their time away from their devices on an old family favorite. Heres nbcs peter alexander. Reporter how much would you pay to connect . How about five bucks . Youre not playing board games with your friends reporter at game house in glendale california five bucks lets you dive into more than 900 different games. Similar spots are popping up nationwide. It may sound like childs play but board games are back big time. Some even say this is a golden age of games. Board games are booming, sales up 10 last year totalling nearly 1. 5 billion. Over the past few years monopoly keeps passing go up 15 , operation more than 40 . And long live the game of life. Its sales up 45 . At hasbros factory in massachusetts they pump out 27 million games a year and 29 trillion play money of course. Nine of the top ten best selling games in the country. Brings families back together. A refreshing connection says hasbros john games create a great opportunity for people to re reconnect with each other. You sank my battleship. Reporter weve come a long way from battleship. Todays games offer everything from vikings to villains to vixens. Fans even flock to this web series called table top like celebrity poker for board games. 500,000 viewers per episode. Outside boston sherri rice treasures this time. Theyre always always running. So for the few moments that you can actually stop time and take a deep breath and play games with the kids it is priceless. Reporter offline but still connecting across the board. Peter alexander, nbc news canton massachusetts. Break out the scrabble and im there. That will do it for us on this thursday night. Im lester holt. Thank you for joining us. By the way, we know you cant always be with us at this time each day, so dont forget you can always find us on demand. We hope youll look for us there. Have a great night everybody. Madonnas secret affair with tupac shakur. What do you want to know . Madge drops one bomb after another in a wild new tell all interview, now on extra. The men you never knew she dated. The moment she was told her career was over and calling her marriage to guy ritchie like prison. Madonnas outrageous new confessions to howard stern. Do you see a psychiatrist. I i do. Crazy new video of selena gomez in a terrifying fan crush. Ron i object thick and his girlfriends. The First Sighting since his 7 million lawsuit does. All new Jennifer Lopez dishing on her night out with meryl streep. That is crazy. And joan collins on the new royals show blowing the gates off buckingham palace. Rather naughty. Reporter plus what Patrick Schwarzennegger thinks of her brothers row maens mance with miley and what makes her laugh nonstop, you. Now on kprai, from universal studios,