have i going to do? >> there are different browsers for different reasons. >> a bunch of techies. thanks for joining us, lester holt is next. on this wednesday night, museum massacre. terrorists open fire killing tourists and taking hostages. tonight, the fire fight as it happened and the hunt for those still on the loose. death threats against caroline kennedy. was someone trying to blackmail her? take the money and run, cash, a rubber mask and a loaded gun. why police were convinced robert durst was about to vanish. what we've learned about the final days before his sensational capture. deadly consequences. our nbc news investigation, drivers drivers with dozens of duis. and making a difference. what one kid did with a set of legos will astound you and maybe change lives.

"nightly news" begins right now. from nbc news world headquarters in new york, this is "nbc nightly news." reporting tonight lester holt. good evening. is it safe to go there? against the spector of terrorism it's a question so many ask before venturing off on overseas vacations these days. sadly for dozens of tourists who are about to visit one of the important museums of the arab world, the answer proved no, at least for today. in tunis, tunisia's mediterranean capital, armed gunmen opened fire. they killed at least 19 people and wounded around 50. most of them vacationers from europe. many had just arrived on cruise ships. nbc's katy tur has been working this story for us all day and has more. >> reporter: guns drawn, tunisian officers scramble to evacuate tourists from the museum. one describes her terror as police told her to get out fast saying, "you must run, you must run." the gunmen killed at

least 19 people. others were held hostage. tunisian forces finally killed two gunmen, but others may still be at large. the bardo museum is in central tunis next to parliament which went into lockdown during the standoff. members of parliament sang the national anthem in defiance. ♪ tunisia's prime minister said "our nation is in danger." the arab spring began in tunisia in 2011, but the country has been struggling since. >> in addition to the arab spring providing opportunities for democratic growth in tunisia, unfortunately it also unleashed a wave of radicalism. >> reporter: an estimated 3,000 tunisians have joined isis in syria and iraq, more than any other country. and terrorism threatens crucial tourism. should there be a worry about traveling to tunisia now? >> no, i hope not. i mean, this is -- if foreign tourists stop

coming to tunisia, the extremists will have won. the goal of the extremists who carried out this horrible attack is to basically undermine the political process. to basically sow fear and convince foreign tourists not to visit tunisia. >> reporter: tourists were caught in the attack. others are now likely to think twice before coming. katy tur, nbc news, london. new twist tonight in the real estate heir accused of murder. the evidence led police to believe robert durst left his home intending never to come back checking into a hotel room to hide interest authorities and possibly planning to leave the country. >> reporter: the police believe robert durst was getting ready to run, even though he says he didn't kill susan berman. in houston investigators searched his home for new evidence. nbc news obtained the warrant.

the documents show police estimate the real estate heir is worth $100 million. since october of last year detectives say durst had been withdrawing large sums of money from his bank accounts most often daily withdrawals of $9,000. after the 71-year-old's arrest in new orleans police found more than $42,000 in his hotel room, $100 bills kept in small envelopes. also found in the room a loaded gun with four rounds, a rubber mask which would cover an individual's head and neck and u.p.s. tracking numbers that durst told police were for a shipment of a large sum of cash. the warrant redetails some of the evidence of at least some of the evidence los angeles police had collected in the murder of susan berman. it was revealed in

hbo's documentary "the jinx." >> i wrote this one, i did not write that cadaver one. >> reporter: last november, according to detectives, two document analysts i.d.'d durst as the author of the cadaver letter and envelope. among the items houston police seized in his home three books, two copyies of "a deadly secret" and "without a trace," investigations into his tumultuous life. durst's lawyer tells nbc news that handwriting analysis is "junk science." he points out law enforcement once identified a different suspect in the berman case using the same technique. tonight, durst is in a mental health facility. law enforcement officials here say he is a suicide risk. lester. >> stephanie gosk, thank you. tonight, authorities are investigating death threats against u.s. ambassador to japan caroline kennedy. daughter of our slain 35th president. the target of chilling phone calls just as

first lady michelle obama arrives in tokyo. nbc's chris jansing tells us more. >> reporter: she is arguably the most recognizable u.s. ambassador anywhere in the world. and today caroline kennedy kept up her public schedule with a speech. last night dinner with bill clinton and the japanese prime minister. even as japanese television reported she got a series of death threats last month. >> japan is a safe country, so everybody is surprised. >> reporter: police say the phone calls were made by a man who spoke english, and the motive may be blackmail. threats were also made against the u.s. consul in okinawa. alfred megelby. >> we're working with the japanese government to ensure necessary security measures are in place. >> reporter: the reports came as first lady michelle obama touched down for her first visit to japan where she's expected to meet with the ambassador. kennedy, who's now 57, came to japan in 2013. >> i can't imagine a better job than being ambassador to japan. >> reporter: she's well known there.

and is often out in public in large crowds, so all threats are taken seriously. >> you have to moderate and change your patterns of travel. and just simple things like going out with your family for dinner suddenly takes on a new meaning. >> i'm bleeding here. bleeding here. >> reporter: diplomatic security in yash asia has been under increased scrutiny since the attack on ambassador lip pert sent him to the hospital. we're told president obama is aware of threats against ambassador kennedy. state department officials say there's no change in how the embassy is guarded but won't comment on the ambassador's personal security detail. chris jansing, nbc news, the white house. the course has been chosen in israel. prime minister benjamin netanyahu will stay in power. his comeback election already having a ripple effect across the middle east. and it may have just set american peace plans in the region back to the drawing board. nbc's andrea mitchell has more from jerusalem. >> reporter: benjamin

netanyahu marked his overnight triumph with a prayer at the western wall, a holy shrine. and a promise to care for the security of all israelis. only hours after a raucous celebration of his come-from-behind victory. >> that's incredible. everybody buried him. i'm sorry, but this is fantastic. fantastic. >> reporter: but to win, netanyahu took a hard right turn, warning his supporters that israeli arabs were voting in droves and reversing his commitment to a palestinian state. that drew sharp criticism from the white house. president obama in ohio today did not call netanyahu to congratulate him. secretary state kerry did call him during a break in those nuclear talks with iran on a deal netanyahu vehemently opposes. closer to home, where fortified walls separate israel from the palestinians, the election results hit hard. here in the west bank, palestinians reacted with anger and frustration to netanyahu's decisive

victory, especially his election eve declaration that he's now against the creation of a palestinian state. here, people say they feel imprisoned and squeezed economically. >> we have to resist occupation non-violently. and we should not have hopes in any possible negotiations with such a government. >> reporter: many israelis also oppose their government's hard line against peace talks. netanyahu's policies on everything from the palestinian state to palestinian settlements to iran have put him on a collision course with the obama white house. and now what this promises to make a contentious relationship even more difficult. lester. >> andrea mitchell in jerusalem, thank you. yet another fraternity is accused tonight of bringing shame to its campus. the national headquarters of kappa delta rho has already suspended its penn state chapter after disturbing pictures of young women students were posted on secret facebook pages. now police are asking for more victims to come forward. nbc's gabe gutierrez has more.

>> reporter: penn state university is calling what police say happened behind these walls appalling. >> i'm very committed to making sure that we know exactly who is responsible. delta rho is now suspended for a year after pictures of nude and sometimes unconscious female students were discovered on two private facebook pages. and police say were secretly set up by the fraternity. >> they're embarrassing and illegal photos. and that's unacceptable. >> reporter: the search warrant reveals the first facebook page was titled "covert business transactions" and was shut down when police say one of the women accidentally spotted a topless picture of herself on a computer at the fraternity. a former fraternity brother who blew the whistle said a second page was set up that included more explicit photos and images of drug sales and hazing. how widespread is this type of culture? >> it's huge. it's everywhere. >> reporter: courtney keal is a penn state law student whose group helps victims of sexual assault. sexual assault.

>> it's so upsetting. i think what's more upsetting is how it doesn't surprise me. >> reporter: it's the latest fraternity scandal. ♪ [ bleep ]. >> reporter: after this video of a racist chant from a university of oklahoma went viral. today sigma alpha epsilon announced an extensive review of all chapters. >> i was disgusted. i was demoralized. i was embarrassed. >> reporter: today, the university of wisconsin's chi phi chapter was kicked off campus for allegations of hazing. sigma alpha mu chapter was just disbanded after members caused $400,000 in damage at a ski lodge. at penn state students are outraged but not shocked. >> things like this happen. and it's really upsetting that it does. >> reporter: tonight, members of kappa delta rho are still living here inside their house. police say criminal charges are possible. and the fraternity's national headquarters says it is cooperating fully with the investigation. lester. >> all right, gabe, thank you. a tense day in and around mesa, arizona,

after an hours long manhunt. police have captured the alleged gunman who went on a shooting rampage, opening fire at a motel then shooting a student in a carjacking before being pinned down in an apartment complex. in all, one person is dead, five more are wounded. authorities say the motive for the killings is still unclear. jurors in the boston marathon bomb trial saw pictures today of two unexploded pipe bombs that were thrown at police during the shootout in watertown. both had bbs glued inside presumably to act as shrapnel. a tdan 70s that gloves found in the tsarnaev brothers' car had blood that matched the dna of m.i.t. officer sean collier who was murdered. and the jury heard that tamerlan tsarnaev bought two backpacks the day before the marathon bombings. high drama in washington where tonight the latest tug-of-war involves a bill of war to combat human trafficking that somehow spiralled into an argument over abortion. and a president's

nominee for attorney general is caught in the middle with tempers beginning to flare. nbc's kelly o'donnell is on capitol hill. >> reporter: caught in a washington waiting game. >> good morning, are you concerned about your confirmation? >> reporter: 130 days after president obama chose loretta lynch to be attorney general, still no vote to confirm her. lynch has waited longer than the past five attorneys general. in that span, boston was buried in more than 100 inches of snow, and the kentucky wildcats had enough time to win 34 straight basketball games. today, a top senate democrat dick durbin compared lynch's treatment by senate republicans to civil rights icon rosa parks. >> the first african-american woman nominated to be attorney general is asked to sit in the back of the bus when it comes to the senate calendar. >> reporter: republican leaders say lynch will get her confirmation vote, but not before the senate passes a bill to help survivors of human trafficking.

many democrats supported that bill, but last week claimed they did not know it contained a provision that blocks government funds for most abortions. language republicans say was in the legislation for months. >> they didn't know it was there. they didn't read the bill apparently. >> reporter: democrats refuse to move forward unless that provision is dropped. so for now, loretta lynch is left waiting. kelly o'donnell, nbc news, the capital. there's a lot more to tell you about here tonight. out of control, repeat drunk drivers getting duis over and over again. how is it they're still on the road? what our nbc news investigation found all across the country. also, a dinner alert. why kraft is recalling millions of boxes of mac and cheese.

>> we're back with an nbc news investigation that has uncovered case after case of convicted drunk drivers allowed back on the roads time and time again because of laws that are unable to keep them from endangering lives all over again. nbc's national investigative correspondent jeff rossen has that report. >> reporter: under the influence and out of control. this is the driver. it was his third dui. other drunk drivers smashing into traffic, their cars flying into the air. watch as this repeat drunk driver drags an officer down the street when she tries to escape her third dui.

she's pled not guilty. >> they're still out there. and they need to be put in jail. >> reporter: ellie phipps was driving to the gym one morning when this drunk driver with half a dozen prior duis smashed into her, shattering her spine. now she's forced to wear this back brace everywhere. >> it basically turns our roads into a game of russian roulette. it's a death trap. >> reporter: our investigation found repeat offenders across the country. this guy has 14 duis. this one has 16. but this guy may be the worst, 27 dui convictions. but today a free man. >> it's more than staggering. it's off the charts and off the charts wrong. >> reporter: believe it or not advocates say several states have such weak laws if no one's hurt no matter how many times they're busted, it's still just a misdemeanor. one of those states, colorado. 45 other states have tougher drunk driving

laws than colorado. sitting here as the governor for four years, why is that? >> well, i think the legislature didn't feel -- they saw the decline in drunk driving fatalities, they felt the problem was being solved and yet they didn't realize they continued to get caught repeated times. and we weren't putting them in jail. >> reporter: the governor telling us he's confident they'll pass a tougher law this year. ellie and victims like her say it's long overdue. jeff rossen, nbc news, denver. up here tonight, the prince of wales in america. what he told us about a big delivery on the way.

a show in the sky stretching across the world. this is the view from space of the phenomena known as an aurora, aurora borealis in our part of the world. particularly vivid overnight because of an intense solar storm. the emerald glow could be seen across the area from massachusetts to new

zealand. kraft foods is recalling about 6.5 million boxes of macaroni and cheese because some boxes may contain metal pieces. the company says the specific boxes in question are the 7-ounce size, original flavor mac and cheese and best when used by dates of september 18, 2015 through october 11, 2015 and the code c2 on each box. kraft says no injuries have been reported. i know i went through that rather quickly so we have put the information on our website. you can take a look later. after a short trip across the pond, prince charles and camilla are already making a splash. today their royal highnesses toured some of america's famed monuments on the national mall greeted by hordes of unsuspecting fans including our own peter alexander. >> reporter: prince charles, are you excited to be a grandfather again? >> oh, yes. >> tomorrow charles and camilla will visit with president obama in the oval office before a stop in louisville, kentucky friday where they'll enjoy some southern hospitality. when we come back here, an important

tool for the blind from a set of legos and this young man's imagination. "nbc nightly news" is brought to you by pacific life. for insurance, annuities and investments, choose pacific life. the power to help you succeed.

they're the best selling toy in the world, the basis for a mega hit movie and the bane of barefooted parents everywhere. legos make the imaginable tangible. one young man found a use for them that wasn't on any box cover, which could make a difference for millions. nbc's joe fryer has his story. >> reporter: it takes real vision to picture what no one else can in a pile of tiny plastic building blocks. how much do you love legos? >> a lot. a lot. >> reporter: legos have always helped shubham banerjee bring his imagination to life, but who could have imagined this. >> awesome. >> reporter: shubhan was just 12 years old

when he pieced together bricks from an advanced lego kit to reveal a tool for the blind. a braille printer made of legos. >> yeah. >> reporter: inspiring. most printers cost up to $2,000 and can weigh 40 pounds or more. shubham wants to build one a quarter the cost and weight. while his lego prototype prints only a letter at a time, a faster lego-less version is in the works. >> it looks modernized. >> now 13 years old shubham even founded a company called braigo labs, which hopes to release the printer by year's end. >> my goal is to definitely help all the unfortunate people who don't have the money or the resources to be literate in braille. >> reporter: he's traveling the world promoting his creation and shmoozing with investors like intel. also getting advice from hobi who has been blind since birth and says a cheaper printer is needed. >> now blind and visually impaired students that want to learn braille or want to know braille are going to be able to

read whatever they want or whenever they want. >> reporter: all thanks to a teenager who proves that true vision comes from the heart. joe fryer, nbc news, santa clara, california. >> there's a young man with a real future ahead of him. that's going to do it for us on this wednesday night. i'm lester holt. for all of us at nbc news, thank you for watching and good night. i was wondering how these people are going to be able to feed their children. >> right now at 6:00 why the sudden crackdown. long-time street venn tors forced to shut down which is leaving many south bay families scrambling. good evening. thanks for being with us. i'm raj mathai. >> and i'm jessica aguirre. street vendors being rushed out. in preparation for the super bowl t city is cracking down on small unpermitted street vendors.

the city taking on a long standing latino tradition in east san jose's guadalupe church. you'll see it only on nbc bay area. >> reporter: that's right. this happened to be performed by the city of san jose. it's a tradition in latin american companies. vendors stand outside of the church and sell their food and snacks to parishioners. the city has cracked down. the tradition dates back decades, if not centuries after sunday mass, vendors lined the sidewalks outside parishes selling fruits and snacks. a couple of weeks ago, the permits unit of the san jose police department showed up at guadalupe church and said if they didn't have a permit they would