The Family Vacation horror tonight. The parents and two children discovered dead in the condo they had rented. Where this happened, and what we know now. And the woman bumped off a united flight. She held firm, refusing their offers until they landed at 10,000. And not again, the winter storm hitting tonight and moving east. Good evening and its great to have you with us here on a friday night, and we begin with the fbi on the scene right now of that suv explosion at a u. S. Air force base, and the new plea tonight. They need the publics help. This is the moments at travis ar force base, the fireball, suv igniting. We have the identity of the suspect and authorities now say that the suv was loaded with propane tanks that guards tried to get the driver to stop. And now what they have recovered from that vehicle. Abcs chief Global Affairs correspondent, martha raddatz, leading us off. Reporter tonight, an urgent investigation into what may have been an attempted terror attack. That deadly explosion at the gates of Travis Air Force base, home to more than 14,000 Service Members and civilians. Sources telling abc news investigators have now identified the driver of the vehicle who was killed in the explosion, as hafiz kasi, aged 51 who they describe as a nomad, and recovered in the charred wreckage, a potential clue, video from kasis cellphone. At approximately 7 00 pm wednesday, the driver slowly approached the check point at the main gate. Ignoring signs from the guards to stop, igniting his vehicle. A flash is seen from inside. The vehicle still moving, quickly engulfed by flames, then crashing onto a median. Investigators now reviewing images posted on an unofficial air force facebook page. He had something in there, there were some explosives because it was sounding like the fourth of july. The car basically just blew up, like, it was nothing. Reporter officials tell abc news that propane tanks were inside the vehicle. Kasi was pronounced dead at the scene. Tonight, the fbi asking the public for information have about hafiz kasi. And martha with us live. Martha, we know that as part of that plea, the fbi is also trying to figure out if anyone else was involved. Reporter exactly, david. They want to find out if this was some sort of plot gone wrong or if any terrorist group was behind it or any connection he might have had. At this point, they know very little about him, and arent certain what he was up to, david. Martha raddatz leading us off. Thank you. Authorities are concerned about growing protests at this hour after a Deadly Police shooting. An unarmed black man shot and killed. Officers firing 20 shots. Police helicopter video showing stephen clark, an unarmed father of two, shot and killed by officers in his grandmothers backyard. Police out in force today. Protesters on the streets of sacramento blocking streets and bridges. Abcs Marci Gonzalez is there, and we warn you. The images are difficult. Reporter outrage tonight simmering in sacramento over this disturbing bodycam video. You see officers looking for a vandalism suspect, confronting Stephon Clark unarmed in his grandparents backyard. And after a brief encounter firing 20 rounds. Show me your hands. Reporter tonight, protesters marching to californias Capitol Building trying to block roadways for a second day. Thursday protesters crowding this arena delaying the start of an nba game. Tonight, were learning new details about the officers in that video. One white, one africanamerican on paid administrative leave tonight and getting Death Threats as Police Investigate the shooting. We have to look and see if it was reasonable to believe what they believe, and see what they did. Reporter there were reports of someone vandalizing several vehicles. Helicopter cameras then begin recording following this man as he hops a fence. Police say officers on the ground then confront 22yearold Stephon Clark. He was a father of two. We dont have confirmation yet, of whether he was the subject breaking into the cars, but hopefully at some point as we gather the facts, we will know that one way or the other. Reporter police say they opened fire believing clark was armed but no weapon was found only this cell phone. And david, the police chief here tells me that bodycam videos from all of the responding officers will be released. And tonight, authorities are urging all of those protesters to be patient and give them time to investigate. David . Marci gonzalez live tonight. Thank you. Now to the white house. President trump livid today. Just 24 hours after the white house said he would sign the spending bill to keep the government open, suddenly, he was threatening a veto, and this all comes as his top lawyer in the investigation quits. He now hires his Third National security adviser. Heres abcs chief white house correspondent, Jonathan Karl today. Reporter today, the president upended the political world with an Early Morning tweet. Lashing out against the massive Spending Bill Congress just passed, the president declared, i am considering a veto. But wait, just yesterday, the president s top aides said he was fully onboard. Is the president going to sign the bill . The answer is yes. Reporter what happened . For one, the president s favorite morning show hammered the bill saying it doesnt pay for trumps border wall. This is a swamp budget. This is a Mitch Mcconnell special, but there is no wall. Reporter soon after that, the president s veto threat and then an allout scramble to stop him, including an Early Morning call from Speaker Paul Ryan and a white house visit by defense secretary james mattis who argued the military would be hurt badly if the bill went down. Finally, the president relented. I will say to congress, i will never sign another bill like this again. Nobody read it. Its only hours old. Reporter the episode capped another week of chaos in the west wing including the president s twitter announcement hes picked john bolton as his Third National security adviser. His first was Michael Flynn who was fired for lying about his contacts with the russians, and then replaced by h. R. Mcmaster. Hes a man of tremendous talent. Reporter bolton himself seemed caught off guard. Your reaction to your new job. Well, i think i still am a fox news contributor. No, youre not apparently. I didnt well, i havent started there yet. I didnt really expect that announcement this afternoon. But its obviously a great honor. Reporter the arrival of bolton, a former ambassador to the United Nations under george w. Bush, puts a hard line conservative on the president s team just as he prepares to meet with north koreas kim jongun. Question. How do you know that the north korean regime is lying . Answer, their lips are moving. Reporter he recently wrote that it would be perfectly legitimate for the u. S. To respond to north Koreas Nuclear build up by striking first. By striking first. Jon karl with us live tonight from the white house. And jon, President Trump is h e hoping to meet with kim jongun by the end of may, and bolton is on record with what he thinks should happen in that meeting. Reporter he thinks the president should go into the meeting and tell kim jongun, simply, tell me you have begun total denuclearization because were not going to have negotiations. You can tell me that right now or we will start thinking of something else. So david, if he takes the advice of his new National Security adviser, it could be a very short meeting with kim jongun. Jon karl at the white house. Jon, thanks. All week, there were many closely watching the first lady today in her public appearance after an interview overnight. A former playboy model on her alleged tenmonth affair with donald trump, and what she said about Melania Trump. Heres abcs lindsey davis. Reporter tonight, President Trump boarding marine e alone. The first lady scheduled to be at his side but Melania Trump was absent. Earlier, she was all smiles at the state department, presenting women of courage awards. Courage is the quality most needed in this world, yet it is often the hardest to find. Reporter it comes less than 24 hours after that tellall interview with a woman claiming to be the president s former mistress. There were real feelings between the two of us. Not just myself. Not just him. There was a real relationship there. Reporter still, former playboy model Karen Mcdougal tells cnn the first time she had sex with donald trump, he tried to pay her. Did he actually try to hand you money . He did. He did. I looked at him and said, thats not me. Im not that kind of girl. And he looked at me and said, oh. And he said, youre really special. Reporter she says the moment blossomed into a tenmonth romance in 2006. The same year barron trump was born. Did donald trump ever say to you that he loved you . All the time. He always told me he loved me. Yes. Of course. Reporter mcdougal says she thought trump might marry her. She claims he once even brought her to trump tower. We passed a room, and he said, this is melanias room. She likes to have her alone time or to get away to read or Something Like that. Im like, oh, okay. Thats when i kind of thought maybe theyre having issues. I didnt ask. Reporter now, she is apologizing to the first lady. Im sorry. Im sorry. I wouldnt want it done to me. Im sorry. Reporter just before the election, mcdougals story was bought by American Media incorporated, which publishes the National Enquirer and is owned by a close friend of the president s. They told her it would never be published, a practice known as catch and kill. Shes now suing, claiming she was tricked into staying silent. Ami tells abc news the suggestion that ami silenced mcdougal is completely without merit. At the end of the president ial campaign, trumps thenspokeswoman hope hicks called the claims about trump totally untrue. Lindsey with us. You mentioned catch and kill. Thats the practice where a tabloid will purchase a story to kill it and never publish it. It seems the strength of these agreements is being tested right now. Reporter were seeing more ander many of np we are, david. Both mcdougle and daniels are threatening to sue. Were going to hear daniels story this weekend. Her attorney tweeted out a picture of a cryptic dvd saying, if a picture is worth 1,000 words, what does a video say . This is going to back up her story. Lindsey, thank you. Overseas in france tonight. The frightening scene unfolding tonight. An isis gmgunman, and you wille the officer volunteering to switch places with the hostages. Abcs James Longman tonight from paris. Reporter tonight, a three stage attack gripping the quiet french countryside. French police say 26yearold redouane lakdim, hijacked a car in southern france, killing a passenger and seriously injuring the driver. Then, he opened fire at unarmed officers before driving to this supermarket. Around 50 people were inside when he charged in with a knife and gun reportedly shouting, i am a soldier of the islamic state. Reporter he started to run after me and i managed to escape this man says. Lakdim killing two inside while requesting the release of the sole surviving suspect in the 2015 attacks in paris that left 130 dead. With a hostage situation developing, this officer, arnaud beltrame, offering to swap himself for those inside. Keeping his cell line open, so that police knew when to storm in. And they did killing lakdim. The officer found wounded. Tonight, that officer now fighting for his life is being hailed a hero. David . James longman, thank you. Back here at home and to the deadly fivealarm fire at an Apartment Building in new york city. A movie was being shot in the building. Abcs gio benitez at the scene tonight. Reporter those terrifying flames destroying a movie set and Apartment Building while killing one of new yorks bravest. Everyone was running and the ambulance was coming and stuff. 2 8 mayday, we are missing 69 nozzle man, mikey davidson. Reporter he is michael davidson, 15 years with the fdny coming from a family of firefighters and tonight, leaving behind his wife, eileen and four young children. Our entire department, our entire city mourns this horrific loss of a very brave firefighter. Reporter part of the building was being used as a movie set for the upcoming Edward Norton film mother less brooklyn. You can see norton at the scene. They were just about to wrap up shooting for the night when the fire ignited in the cellar. The resident who lives on this second floor lost his home, but is grateful he didnt lose his life. Im alive talking with you. Its because of their bravery. By risking their lives to save us civilians. Reporter and david, right now investigators believe this was just an accident, but they dont know for sure, and thats because investigators cant get all the way inside that building. Its just too dangerous, david. Gio benitez has been on the scene all day for us. Gio, thank you. Somber news about one of the victims of the Deadly School shooting in great mills, maryland. 16yearold jaelyn willie has now died. She was shot by the gunman on tuesday. This comes as students from parkland, florida meet with other teens in washington, d. C. At the march for our lives. That rally against gun violence. Plus much more had on world news tonight this friday. The vacation who rewe learned of today. Parents and two children discovered dead in the condo they rented. What we have just learned tonight. Also not again. The winter storm hitting tonight. It is moving east. The system, rob marciano standing by with the strtrack. And the woman bumped off the united flight today. She held firm until they landed at 10,000. A lot more news ahead. Ahead. Is, or psoriatic arthritis, Little Things can be a big deal. Thats why theres otezla. Otezla is not an injection or a cream. Its a pill that treats differently. For psoriasis, 75 clearer skin is achievable with reduced redness, thickness, and scaliness of plaques. And for psoriatic arthritis, otezla is proven to reduce joint swelling, tenderness, and pain. And the otezla prescribing information has no requirement for routine lab monitoring. Dont use if youre allergic to otezla. Otezla may cause severe diarrhea, nausea, or vomiting. Tell your doctor if these occur. Otezla is associated with an increased risk of depression. Tell your doctor if you have a history of depression or suicidal thoughts, or if these feelings develop. 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Reporter tonight, mexican authorities are investigating the mysterious culprit that killed that vacationing family from iowa. Mexican investigators say they found the sharps, kevin, amy, sterling and adriana in the condominium they rented at this seaside resort in tull lum. The sharps traveled from cresten iowa for spring break. They let family know they got their safely, but then radio silence. Thats what we thought was kind of unusual because last year they shared pictures about every day. Reporter first, the family missed the meeting with friends and then they missed their flight home yesterday. Even though they had said they wanted to get back to watch their local Basketball College team investigate division ii tournament. We were hoping we would hear from them then, and when we didnt, we knew something was wrong. Reporter the family said its their understanding that the family went to sleep and never woke up. Well know more when the autopsies are completed in mexico. David . Just an awful story. Matt gutman, thank you. When we come back, the winter storm hitting tonight. Technically a spring storm now, moving east. Rob has the track. And the woman bumped off the united flight. What she tweeted and then what she got. Worth 10,000 tonight. 000 tonight. D for her compassion and care. He spent decades fighting to give families a second chance. But to help others, they first had to protect themselves. I have afib. Even for a nurse, its complicated. And it puts me at higher risk of stroke. That would be devastating. I had to learn all i could to help protect myself. Once i got the facts, my doctor and i chose xarelto®. Xarelto®. To help keep me protected. Oncedaily xarelto®, a latestgeneration blood thinner. Significantly lowers the risk of stroke in people with afib not caused by a heart valve problem. It has similar effectiveness to warfarin. Xarelto® works differently. Warfarin interferes with at least 6 bloodclotting factors. 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Watch out, piggies get symbicort free for up to one year. Visit saveonsymbicort. Com today to learn more. If you cant afford your medication, astrazeneca may be able to help. Believe it or not, another storm tonight. Weather alerts across a dozen states and moving east at this hour. Right to rob again. Hey, rob. Reporter hi, david. This is the same storm that was slamming california. Now its smack dab in the middle of the country. Take a look at that on the radar scope. Snow across the dakotas and across kansas. This will be our next spring snowstorm and it will drop from minneapolis through des moines and indianapolis. Cincinnati, east louisville and down to roanoke. It will be through parts of iowa, and even so for indianapolis, laikely the bigget snowfall they have seen this season. It wont be the next noreaster. Spring please, rob . Thanks, rob. A passenger bumped off a united flight. The Communications Director in d. C. Bumped from that full flight, tweeting the whole thing. Look at this. They are kicking me off this flight, she tweets. They cant board me on this plane because theres a broken seat. She then tweets, united is the worst. After turning down 1,000 voucher, she held firm and got one for 10,000 instead. Way to go, alison. When we come back tonight, down to the elite eight. Who is your pick and in a moment, some divine intervent n intervention. Tervention. Brads been looking forward to this all week, but how will his denture cope with. A steak. Luckily for brad, this isnt a worry because hes discovered super poligrip. It holds his denture tight and helps give him 65 more chewing power. Leaving brad to dig in and enjoy the tastiest of tbones. Super poligrip, helping you enjoy the foods you love. Im your phone,istle text alert. Stuck down here between your seat and your console, playing a little hidenseek. Cold. Warmer. Warmer. Ah boiling. Jackpot. And if youve got cutrate car insurance, you could be picking up these charges yourself. 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Reporter another close game for loyola, chicago last night. That is the final game. Reporter how did they feel at the Loyola Student Center . [ cheers ] reporter and the person they ran to, loyolas secret weapon, 98yearold sister jean. You have met her here before. She admitted her bracket didnt see this coming. Im sorry for busting her bracket. I dont care how far you break my bracket as long as you have broken it. You have to go a little more now. Reporter this week we asked her about her divine intervention. Its david muir. Im curious what you say to the team. We see them kissing and hugging you. What do you say that could help them out, and all of us honestly . I say sometimes there is a little more than talking to god in the prayer, but i do begin with good and gracious god. I pray for the other team, perhaps not as hard. Reporter it certainly worked. Another victory last night. The university of michigan. Right behind number 13 there, the guy in the suit, austin hatch and what a story. He got a scholarship to play, but then tragedy. Injured in a plane crash. That crash took the lives of his father and his stepmother. Unbelievably, eight years earlier, in another crash. It was in that crash he lost his mother and two siblings. I think god had his hand on me. Reporter austin now a manager for the team, his fiancee walking onto the court with him. The Team Following in spirit and strength. Across the country, we all have our teams. Does syracuse play at 9 37 tonight . Reporter syracuse is taking on duke. Thankfully, not sister jean. Thank you for watching. In the mornings and evenings this week, time to go watch some basketball. I hope to see you on monday. Good night. Good night. We need accountability be accountable for your actions. Every life matters. Protesters in sampcramento shutting down streets for the second day in a row. Thank you for joining us. Did you watch that video . Did you watch that video . Those protesters are angry over the Fatal Shooting of stefan clark on sunday. Officials say they believed he was armed but police found only a cell phone. Now a look at protesters in sacramento again on the streets with heavy police presence. Heres the very latest. Reporter it was around 12 30 this afternoon that protesters jammed capital mall to chant words of anger and frustration at sample police. It is indoctrinated in their bloodstream to fear us, but today we stand right now to tell you that we are human beings, the United States of america, this is our country. Reporter the protesters were sparked by the shooting of 23yearold stefan clark. Youre about to see body camera footage and it is shooting. Police received reports of someone breaking into cars. Officers opened fire believing they saw a gun, but he only had a cell phone. Thats why protesters made a point of holding them up today. I dont think a cell phone looks like a gun at all. If thats the case, then we all should be murdered here on the capitol steps. Reporter last night, a