put thousands of cases in jeopardy. >> mark segraves is at d.c. court with what it means to taxpayers. >> reporter: the system in question is what every police officer uses to input information after an investigation. washington city paper was first to report these problems. today police claim they've been reporting problems ever since it went back into use in 2011. >> we've replaced our records management system at least three times in the last few years. >> reporter: the head of the police union says cops have already been warning of problems. >> the core computer was not communicating. the reliability problem went down all the time. >> reporter: in a letter sent to defense attorneys, they called it an imperfect system which the police department is planning to replace. but the damage may already be done. the letter says thousands of criminal cases are being reviewed to determine if prosecutors failed to provide defense attorneys with evidence they are required to share. >> this could be a problem resulting in the wrong people getting arrested and the person that did it going scot-free. >> reporter: it's not just a problem for lawyers and clients. the massive review will cost taxpayers as well. >> the problem is every one of those cases now have to be checked, which means law enforcement time prosecutors time which means that their time is being taken away from law enforcement and locking people up. >> reporter: there's no telling how many man hours or how long this review will tackke. they have thousands of cases to review. it's caught the attention of lawmakers at city hall. they are demanding answers from the chief of police to tell them how they should have confidence in the judicial system. mark segraves news 4. we did some digging and found many more issues. in february 2010 a private consultant found breathalyzers inflated blood alcohol levels. about 400 were convicted using bad results. the program had to be suspended for 20 months. last october an fbi agent was arrested on drug charges, releasing more than a dozen suspects on cases he worked on. this month they stopped sending dna to the district's crime lab. they hired outside experts to look over 160 causes handled there. we're learning more about the terror attack that killed at least 20 people at one of tunisia's tourism sites. two of the attackers were killed and tunisia's prime minister says it's possible three other gunmen got away. there's been no claim of responsibility but oohisis used social media to congratulate the attackers. president obama and netanyahu are stuck with each other. mr. netanyahu just won re-election after publicly opposing the president's policies. steve handelsman is live an capitol hill. where do they go from here? >> reporter: president obama plans to call netanyahu but aides say he's got a big are job. re-evaluating u.s./middle east policy that's for 20 years backed a so-called two-state policy israel and palestine. a policy rejected in yesterday's election. the victory of benjamin netanyahu has israeli conservatives celebrating and liberals worried. >> this is not a good morning. >> reporter: facing defeat netanyahu promised no palestinian state, and israelis agree. rejecting the efforts of u.s. presidents from jimmy carter to bill clinton to barack obama. >> the israeli public voted no to the peace process between the israelis and palestinians. >> reporter: more urgent to many americans, he campaigned against a nuclear deal with iran. boehner tweeted heartfelt congratulations today. >> there will be a confrontation not over the palestinian issue but over iran if there is a deal. >> reporter: kerry called netanyahu with congratulations. democrats are turning down the heat. >>or relationship with israel is a strong one. doesn't depend on personalities. >> reporter: but two personalities who clashed before the election may do so again if there is a nuclear deal with iran. congressional critics are sure to argue netanyahu being re-elected proves israelis fear the obama approach to iran. turning to our weather. and a reality check of these last days of winter. doug is still watching that chance of snow here on friday and a chill that's going to stick around for a while. an friday the first day of spring really? >> first day of spring and we're talking about snow coming down. it looks like it will affect us during the morning commute. what a far cry from where we were yesterday. 73 degrees the high temperature during the day. temperatures today, much colder. take a look. temperature of 73 at 11:43 yesterday morning. and then dropped all day. high temperature so far only 52. 21-degree temperature difference between yesterday and today. this is what we're talking about. friday morning at 9:00 a.m. the area covered in snow from quantico to the pennsylvania border. everybody has a good chance to see snow. we'll talk much more about that coming up around 6:15. mesa arizona's locked down parts of the city all afternoon but those have been lifted now that a gunman is in custody. he shot six people killing one of them. it started with an argument at a motel, spilled outside and led to a shooting that wounded three people. then the gunman shot someone at a nearby restaurant carjacked a sedan and shot two more people at apartment complexes. he was shot with a taser and arrested. there could be harsher penalties for penn state fraternity members. anyone found responsible could be expelled from school. right now the kappa delta rho chapter has been suspended for a year. members are accused of posting photos of nude women on a private facebook page without their consent. >> we have a lot of people that become great leaders, and that leadership came out of fraternities. we also have cases where young men do things that are not appropriate. >> penn state's president is hoping women who are targeted in the posts will come forward to the school. their privacy will be protected. the man who accidentally landed a drone at the white house in january will not face criminal charges. he told police he borrowed a friend's quad copter drone. he figured it ran out of juice and landed on the t day he saw the news that it landed on the white house lawn. the faa is reviewing that case. eric holder weighed in today on the delay for approving his replacement. holder joked about senate republicans leaving him in office by delaying a vote on loretta lynch's nomination. >> it's almost as if the republicans have discovered a new fondness for me. i'm feeling love i haven't felt for some time. >> senate republicans won't call a vote on lynch until they act on a human trafficking bill. and the democrats are holding that up because it would restrict federal funding for abortions. a lot of people are concerned about walter fauntroy's health. he has had very little contact with his family here. his lawyer had to file bankruptcy papers to avoid foreclosure on the home in northwest d.c. his family and friends tell us they are worried. >> there is a concern. there's a concern about his physical well-being and concern about his mental well-being. >> they are part of a group trying to bring fauntroy home. he was a top aide to martin luther king jr. and also a pastor. new at 6:00 adam tuss shows us if changes are making a difference in arlington. what the dispatch timeline shows about efforts to get him to the hospital. a live look at the british embassy in d.c. presence prince charles and his wife are still going. that's not a you're watching "news 4 at 6:00." >> every day, thousands of drivers pass through rosslyn at the so-called intersection of doom. that intersection is on lee highway and north lind street. they are sharing that road with hundreds of cyclists and pedestrians. police have put up new safety measures. adam tuss is live in rosslyn. are the improvements paying off? >> reporter: police tell us they are, but let me show you the intersection. there's a whole bnch of stuff going on here at every pont of the day. crossing is risky business. >> as a driver it's frustrating because you don't know like when you should go. when you shouldn't. >> reporter: for the pedestrians -- >> maybe people are just too busy and hurried and they don't realize they are in a car. >> reporter: you have the conflict from the cars that want to make the right turn. but there may be good news developing. 20 collisions last year 7 injuries. so far this year 4 collisions and no injuries. extra enforcement may be helping. >> police are down here on's daily basis. >> reporter: at rush hour 4,000 vehicles travel through here. 600 bicycles. it's busy. back to the driver's perspective. >> a lot of people are rising their bikes and people crossing. >> they see pedestrians. even when they have the lights first to walk they'll turn corners and everything around here. >> for now, everybody deep breath and try to share this space. back here live. the cyclists waiting their turn to get across. a whole bunch of stuff happening. there are plans to reshape this entire intersection. reporting live in arlington, adam tuss, news 4. i'm scott macfarlane at the live desk. we await the next stop for the british royals. a reception starting at the british ambassador's residence, massachusetts avenue northwest d.c. this comes after a packed day of stops across the washington area. they visited the lincoln memorial mlk memorial george washington's tomb the shakespeare theater company and the national archives. we put up pictures on our nbc washington app. montgomery county students will find out next week if they have a longer school year than expected. they've used 3 more snow days than allotted for the year. if so classes would be pushed back to june 17th. extra days could cost $2 million. the maryland state board of education is set to decide on this on tuesday. >> some tell me they'll be rnd pressure to keep school open on friday morning and proceed as planned. >> can you help them out? >> will we see significant delays friday morning? this will happen during the morning rush. it's a critical time. let's take a look and run them down for you. out towards reston a beautiful day. plenty of sunshine. the winds have calmed. temperatures have not risen all that much. with that sunshine not all that bad. notice the windchill, the same as the temperature. it feels like 52. 45 in gaithersbrg. 49 toward honeytown. yes, we're all the cold side. we're going to stay on the chilly side. storm 4 is clear. notice all the cloud cover off to the west. that's ahead of the next storm system making its way through dallas earlier, now little rock. this is all rain moving in toward colder air. that's why we think it will come don as snow. cloud cover around the area. another cool day. a peek of sunshine. mostly cloudy skies through the day. tomorrow night, we start to see the rain down to the southwest. by around 6:00 a.m. just about everyone in northern virginia and back to the west starting to see the snow. maybe rain and mixture at first. everybody changes over to rain. washington leesburg and culpeper 9:00 a.m. that's when the snow will be coming down. fredericksburg lexington park you may stay all rain for this. so by noon we're on the better side of things. this will move out by 5:00 and change over to rain during the afternoon friday. the impacts come in the morning. one to two inches around d.c. annapolis and waldorf. two to three around gaithersburg toward baltimore. but it's almost all an the grassy surfaces. we think we'll have some impact but washington rockville, annapolis, woodbridge almost no impact on your roads. moderate impact around montgomery county. ooum not really worried about fairfax county d.c. may be some delays but not a whole lot. this is what we're going to be watching. will those temperatures get closer to freezing. right now temperatures staying above freezing and we're not too worried about the roadways early friday. most accumulation will be on grass. 39 on friday with snow early, then changing to rain. saturday much nicer. 60 on saturday. 48 on sunday. just as we go up we come back down and stay don to start the first week of spring. monday tuesday, highs in the 40s. close to 60 on wednesday. could there be a 70 next thursday? ah too early to tell. >> don't taunt us. thousands of dollars in cash he found at union station. how an amtrak passenger's accidental discovery led tune arrest. an britain's prince charles is touring d.c. but has more on his mind than sightseeing. this afternoon he spockke about how plastic is hurting wildlife. it's important to future generations that big companies and families do more to recycle. helping our environment is the subject of a film festival. one academy award winning director hopes to inspire kids. >> his original film "the cove" won the academy award. he has a new film called "erase "erasing extinction." he calm to d.c. to show this film to d.c. students. >> films, i think, are the most powerful weapon in the world. >> reporter: louis sehoyez started his latest assault an our consciousness with a vast and breathtaking documentary called "racing extinction." this film chronicles the massive loss of life that's occurring daily across the globe because of mankind's equally massive appetite for fossil fuels. >> we think fossil fuels are cheap. it's the most expensive way to get energy in the world if you look at the long-term consequences. >> reporter: he used to live in d.c. he came to the warner theater to show the movie to hundreds of d.c. schoolkids. the film took them below or oceans showing the mass die-off of the coral reefs and into the back rooms of china's illegal trade of species. >> why are they killing the animals? >> it's scary? >> it's really scary. >> it made me feel scared and feel like i needed to change. >> i'm trying to inspire the younger generation to start a more humane economy. >> reporter: it's designed for a younger audience because they are the ones who will inherit a diminished planet. >> it will be something in the past. >> reporter: "racing extinction" will be shown around the world on the discovery channel which will enable it to reach 2.5 billion people. >> "racing extnks" comes on march 29th as the finale. steve will also be back to receive an award. you can hear my full interview with him an the nbc washington app. he is a rock star. when you listen to him, you'll understand why. back to you. >> the film sounds interesting. new at 6:00 a local district considers changing the failing grades it's been giving to students. >> and parents get answers about protecting their kids from online predators. an american staple recalled. 6 million boxes of kraft macaroni and cheese. also a support group helping a northern virginia mother after the death of her son. new details in his death revealed for the first time today. naming melte inging metro's newest stations. phase two of the silver line. we're receiving more information about a timeline for a d.c. officer who could not get an ambulance. kristin wright has new information from the dispatch log. >> reporter: this isn't the first time we've talked about delays in the d.c. dispatch system. an officer was here making an arrest. there was a scuffle. he was hurt. next the timeline of what happened next. ambulance sirens blaired in northeast today. but at this time yesterday, an injured police officer was waiting and waiting for an ambulance to take him to the hospital. he was hurt during an arrest near a liquor store. news 4 obtained dispatch records. 6:38 first call for officer down. seven minutes later, they report an officer's leg injury. then five calls for transport to take the officer to the hospital. at 7:06 an ems officer is dispatched to the scene. police stop waiting and take the officer to the hospital in a cruiser. this is 30 minutes after the initial officer down call. then the ambulance is dispatched and then recalled. 31 minutes after the first call of an officer down. they are looking into this trying to determine why there was a delay. developing tonight, just about an hour from now, students will rally after allegations that alcohol beverage control agents used excessive force against this uva student. he was arrested after he was from a ball. the agents are on administrative duty. this case comes nearly two years after abc agents arrested another student in charlottesville after mistaking sparkling water for beer. elizabeth dailey sued the state saying they tried to break her car windows and pulled a gun dearing the arrest. she was awarded more than $200,000 in a settlement but they never admitted wrongdoing. kraft recalled more than 6 million boxes of macaroni and cheese. at least eight people have complained to the company. the recall only applies to certain flavors of original kraft mac and cheese. new at 6:00 a loudoun county mother is sentenced for child neglect. she prostituted herself on craigslist. natalia davis will spend a year in jail and then be deported to her native, crane ukraine. her son was shot to death last year. she'll be among the first members of a new support group for mothers of murdered children. she learned painful new details today about how her child was killed. julie carey was the only reporter in court as detectives gave chilling testimony. >> reporter: for this mother losing her 16-year-old son brenden wilson has been hard enough. today it got even worse when she learned details of how he was shot to death last november 10th. >> kind of innundescribable. >> reporter: five suspects have been arrested in connection with wilson's death at a preliminary hearing for the triggerman kuwain smalls. he told police he and his sib lungs had a dispute with wilson. they then jumped wilson and placed a gun in the small of his back. brenden wilson fell in the grond. for the last shot he reached eded down moved the body over and shot him in the head. >> treated him like a dead animal. >> and shot him again. >> shot him again. >> reporter: the judge ruled the evidence was enough to move the case ahead to the grand jury. brenden wilson's mother finds comfort in coming to this memorial that's continued to grow. she also funds s finds reassuring words on facebook. beverly ruwain's son was shot to death 13 years ago. she'll thereby as ruwain hold's the first support group for parents whose children have been murdered. >> just to let you know there is somebody else out there that has been through it knows what it feels like and know that they are there and you can come to them with how you feel. >> i'm julie carey, news 4. tonight, new revelations about the former first lady of virginia and what might have gone differently if her corruption trial was separated from her husband's. and starbucks controversy. it's about what's on the outside of the cup. and looking at snow friday. but tomorrow not bad at all. we'll start off on the cool side. if you want to get exercise in tomorrow is the day to do it. we'll show you whe we may have learned some new revelations in the scandal surrounding virginia's first family. attorneys for maureen mcdonald said if attorneys had separated her case from her husband bob mcdonnell she would have testified about her rocky marriage and how jonnie williams filled a void in her life. the couple were convicted of receiving gifts and cash from williams. they found the mcdonnells guilty of corruption back in september. starbucks has a new campaign focusing on race relations. to encourage discussions about race baristas are writing the phrase "race together" on cups. starbucks ceo said if a barista doesn't want to write it or a customer doesn't want to talk about it they don't have to. it's the subject of our nbc washington flash survey. do you think writing "race together" on cups is a good idea. here are the results so far. 5% say yes. 76% say no. and 19% say right conversation coffee shop wrong place. fairfax county schools could be changing to a uniform grading policy. deputy superintendent steven lockhart wants to change the scoring on an f grade from 0 to 50% so it doesn't drag down a student's gpa. it also calls for a separate grading for effort and achievement. it would be for middle and high school students. he's looking for teacher and community input. next an amtrak passenger picks up the wrong backpack which leads to a drug bust across state lines. fairfax county police logging on to keep your children safe online. the warning for parents tonight. >> you have to keep an eye on what they local police are leading a new initiative to stop child predators. they are doing it by reaching out directly to parents. david culver explains how police suggest parents ss find a balance between being overly protective and allowing too much web surfing online. >> i consider myself really active online. >> reporter: this mom of three young kids admits she can't keep up with the changing social media and all the apps. >> it's scary that kids are foonding anything out online withoutior knowledge. >> reporter: this chat is from the child exploitation unit. >> is there anything about the predator behavior you can share? >> our detectives get training from a number of places including the fbi. >> reporter: lieutenant bacon runs that unit. >> there's sheep, wolves and the sheep dog. the sheep dog has to be close to the sheep because the wolf isn't far behind. >> reporter: child predators, the so-called wolves are growing bolder and kids are too easily falling victim on their phones. angela corey says parents conprevent that. >> check their browsing history, web history. >> you have to have your kids' passwords. you have to keep an eye on what they are doing. i guarantee someone is keeping an eye on what they are doing. >> reporter: elaine plans to follow this advice. >> checking your kids cell phone, i'm not against it. tonight a break in a money mystery at d.c.'s union station. a guy walked off an amtrak train with the wrong backpack. he also noticed $17,000 in cash tucked inside. the man called police who linked the money to another passenger. a man with family in new york city. a police canine dog indicated it may have been linked to drugs. the new york man has since been locked up for drug sales. the debate over what to call two new metro stations could come to an end tonight. they'll be presenting names for the broad run and ashburn. the leading choice is loudoun gateway and the other one, ashburn. metro will have the final say on those names. metro will keep track work to a minimum on weekends during the cherry blossom festival. the first weekend of april there will be some longer waits but then there will be no track at all during the last two weeks of the festival. he cherry blossom is supposed to start, guess when friday. >> cherry blossom leads to spring. >> imagine people arriving in cherry blossom festival and seeing -- >> welcome to washington. >> you got a little snow. >> if they are here friday morning, there may be some snow under those trees, but by 5:00 any snow that fell may be gone. this will natot be a very impactful event. this is from national harbor. reagan national airport. you can see the cathedral way off in the distance. your evening planner, talking about temperatures that are going to be cooling a bit. 52 degrees with sunshine. 44 by 11:00. a chilly night but not really cold. temperatures 45 gaithersburg. temperatures 5 to 10 degrees below average during the day today. nothing on the radar. storm team radar is drive. it will stay that way all day tomorrow. cool with cloud cover. tomorrow is the day of transition between a fairly dry period the last couple of days to a fairly wet day on friday. coming down as snow back to the west. most of northern virginia all snow by 6:00 a.m. in d.c. metro starting to see the changeover. that's when we see the accumulation. then the rain comes in and helps wash away any of that snow and temperatures rise to around the upper 30s. any snow that falls may melt by the end of the day. it will have some impact on your day. 5:00 a.m. rain and snow comes in. look at the snow around 7:00 a.m. that's the area we could see the highest impact an friday. clouds on the increase. still cool tomorrow. 39 for a high on friday and back to 60 on saturday. temperatures cool again on sunday. at least we're dry. not a bad weekend. much cooler next week. coming up in sports as the terps get ready for the big dance, a senio thank you, cable for the slower internet upload speeds. for making me wait longer to share my photo albums. thank you cable, because if we never had you we wouldn't know the incredible difference verizon fios makes. in customer satisfaction studies, fios is rated #1 in internet speed and reliability - 8 years running. plus, fios has the fastest wi-fi available from any provider. period. see the difference for yourself. get a fios triple play online at an amazing price, guaranteed for two full years! plus, get a $300 bonus with a two-year agreement. call the verizon center for customers with disabilities at 800.974.6006 tty/v ♪ ♪ ♪ you're only young once. unless you have a subaru. (announcer) the subaru xv crosstrek. symmetrical all-wheel drive plus 34 mpg. love. it's what makes a subaru a subaru. this is the xfinity sports desk brought to you by xfinity. your home for the most live sports. >> by this time friday night we'll know if the terps are moving on to the weekend. >> valparaiso a town in indiana. they are known for the voice of the doughboy. maryland hoping to have the recipe for success against them in the opening round of the ncaa tornament. boarding the bus with his kids. maryland's first trip to the turn to tourney with turgeon as head coach. there's one key to success in this tournament. that's playing like it's any other game. >> i don't think we've approached anything differently. haven't all year. this team works hard they listen. we're so excited to be in the tournament and think about where we were a year ago. >> you just have to enjoy each and every moment you have with these guys. savor all these moments because it goes by really fast. you have something special and have to keep that going. >> our carol maloney just pulled into columbus with our photographer chris kerr. her reports starting tomorrow as maryland hits the court for practice. the game is on friday. since georgetown made a run to the final forin 2007 they've been bounced from the tournament five times. washington is aware of this. the eagles have the top scorer in the entire nation on their squad and a confident coach who made a very big guarantee today on the jim rome show. >> it's great. we're not just happy to be here. we want to do something special. if you are still in a pool you can fill it in. we play fast. the third leading scoring team. we're going to win and talk again, jim. >> right where we want them. >> some great bulletin board material. also playing in portland the vcu rams taking on ohio state. the buckeyes a little inconsistent this year but also dangerous because of deangelo russell and his 19 points per game. >> russell is dynamic as a guard as there is in college basketball. he's obviously going to be a phenomenal player at the next level. for now, one of the best in all college basketball. not just in scoring but making plays for his teammates. >> vcu tips off tomorrow against ohio state at 4:45. back to maryland. one of the terps is playing with a heavy heart. he's found a way to honor a loved one on the biggest stage. on your left is richaud pack. there's a reason behind it. his aunt had blond hair and passed away this week. his whole family is dyeing their hair blond to honor her. the senior opened up about the love he had for her. >> me and my mom came up with it and my siblings. i don't know if my sister has done it yet but my sisters and brother have. >> go for it. it's something special for him. we're happy he did it to show respect for his aunt. >> that's very special and heartfelt to be able to do something like that. his whole family has done that. that shows the person highe is with his family. >> i think dez makes such a great point. so many cameras will be on them. and to say, i don't need to look cute out there. i'm going to rock this for my aunt probably somebody that helped carry him here. >> we'll see a lot of blond hair out there. tomorrow vcu and then maryland on friday. >> richaud's first ncaa tornament. ""nbc nightly news"" is coming 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 convind 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 with dozens of duis. how are so many winding up back on the road? 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. >>