an extended period of time. 64 degrees. by 9:00 a.m. we jump o to 66. and 11:00 a.m. we're already in the low 70s. coming up, i'm going to have more on the timing of rain that's in the forecast for tomorrow. today thousands of people are expected to head to the national mall. >> earth day is officially wednesday, but today big names will perform on the lawn for the earth day concert. derrick ward is live this morning on the lawn. >> reporter: big names indeed take a look at this list. we have people like usher, train, fallout boy, mary j. blige. and this is all about earth day. and the global policy project and the earth day network are the sponsors of this. so these bands are going to be share ing sharing the stage with people like policymakers and ministers of finance and environment from all over the country because it's about raising awareness about the earth and the environment and the environment

for some of the people who are the most vulnerable in this world. now we are here at 17th and constitution. direct your attention over here, these are the entrance gates. there's one at jefferson drive and another at 17th. you need to know some things about what you can and can't bring. you can bring a blanket to keep yourself dry on the grass. you can bring water as long as it's not in a glass container. you can't bring hard shell coolers, alcohol, firearms balloons or animals, but you can still have a lot of fun down here. the gates open at 10:00 and the events from the stage start at 11:00 and go until 7:30 this evening. you're being advised to take the metro because there are a lot of street closures around here. you can come down and have a good time. derrick ward news 4. developing this morning in

the district, southern avenue and southeast back open after this serious crash. take a look at this. these are the cars that slided just after 1:00 this morning. the black car flipped over right there. we know that six adults were involved in this accident. two were rushed to the hospital with serious injuries. we're working to find out what led up to this crash. we're following a developing story in fredericksburg virginia. mary washington is mourning the loss of a student. grace mann died at the hands of her own roommate. this morning police are trying to figure out why. shomari stone has reaction from neighbors in the quiet community college. >> reporter: friends remember her as an intelligent 20-year-old who uplifted the student body at mary washington. they arrested her roommate for allegedly killing her inside the house they rented with two other roommates. >> definitely is scary. the fact that we didn't hear anything no altercation that's

the scary part. >> reporter: she lives across the street. >> they were good at school. >> reporter: two of the other roommates came home and found her unconscious. police say they called 911, tried cpr and steven took off running before officers showed up. police found him at this church parking lot on the other side of town. >> any reason why had he would do this? >> don't have information about this at this time. >> reporter: they were both students at university of mary washington. police believe they were not in a romantic relationship. grace was an executive board member of feminist united, a member of the student government, a history and american studies major who also served on the university president's task force on sexual assault. tonight a university spokesperson released a statement saying, quote, it is with great sadness that we report the death of one of our students grace r.manna junior

from falls church virginia. >> i hope she gets justice for what happened. it's a shame, it really is. >> reporter: shomari stone, news 4. today pligs are trying to figure out how a pedestrian was hit and killed in prince georges county. it happened on brinkley road near the shopping center in temple hills. the driver did stay on the scene. a montgomery county karate teach teacher is on the run from police on charges he collected child porn. he worked at a karate studio. police say they have been investigating him since last year. he confessed he received and traded child porn. investigators seized his computers and found several videos of him having sex with young boys. police say some of the videos were filmed at the karate studio. police believe he fled to the nation of georgia. property tax rates may not go up next year if you live in

fairfax county. the board of supervisors put in place a proposed budget for 2016 yesterday, but not everyone will get what they want. schools will fall $14 million short of what they asked for. county employees will not get the raise they were promised. they were expecting a raise of 1.7%. that's now down to 1.1%. that could all change the final vote for the budget. a tuition hike could be coming to the university of mary washington. the cfo says budget cuts make a hike necessary. he's proposed in-state students pay $820 more per year while out of state students would pay $1600 per year. another option would be using $500,000 of reserve funds and that would result in a greater tuition hike. the cottage in northwest d.c. will be draped in black. the tribute is to mark 150 years since president lincoln was assassinated.

in 1865 just days after his death, staff and residents of the soldiers home draped the cottage in black. the building is known as president lincoln's cottage. it was one of the last places lincoln visited before his fateful visit to fords theater. coming up at 9:30, a special on the lincoln assassination. aaron gilchrist will take you through the president's final days and give you a unique look inside president lincoln's cottage. angry fliers stuck on the tarmac for six hours. what we're learning kept them there and why the frustration didn't end once let off the plane. and thieves steal a wheelchair from a 4-year-old. how an 11-year-old came to the family's rescue with his idea. called out for promoting quack treatments. dr. oz is

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new this morning, an l.a. kings hockey player is waking up in jail accused of being in possession of cocaine and ecstasy. he was arrested at the wet republic pool at the mgm grand on the vegas strip. his hearing will be held today. that's the sound of frustrated passengers on board a united plane. the flight was supposed to be headed from kansas city to denver. severe weather diverted that plane to an hour outside of denver in colorado springs. that is where passengers say they were kept on the tarmac for six hours. people were told if they got off the plane, they wouldn't be able to make it to their final destination. >> they ran out of supplies in the bathroom, it smelled foul, it was just bad circumstances.

we got half a cup of water, little crackers, nothing. >> the airport says it's not sure why united did not dock the plane at one of the several open gates. the plane eventually unloaded and told the rest of the flight was cancelled and they'd have to take a bus an hour to book another flight. take a look at this video here. spring storms are bringing heavy rain, snow and hail across parts of the country. a massive pileup involving two semis, a motor home and two buss in denver left a dozen people injured. some seriously. snow and dense fog making treacherous driving conditions. heavy, wet snow caused carports to collapse damaging more than a dozen cars and heavy snow is to blame for another pileup in wyoming.

more incredible video a tornado touching down in texas. this video was shot north of amarillo. the storm brought large hail and several tornadoes reported in the area. luckily, no one was hurt. heavy rain left parts of southeast texas under water. drivers were stranded south of houston with thunder and lightning. hundreds of people were stranded at the fairground. they were wet, muddy and without power. dr. oz is responding to accusations that he promotes so so-called quack treatments. he posted on his facebook i bring the public information that will help them on their path to be their best selves. we provide multiple points of view. this week ten doctors wrote a letter to the health sciences dean at columbia saying the tv doctor misleads and endangers the public. he's the vice chair of the department of surgery at columbia.

the university says it will not remove him from their staff. drug and turf wars escalate at the mexico border. the arrest that sparked the violence. if you think you're used to summer weather in april, don't. we're tracking when things will cool

developing this morning, gunfights broke out in one of mexico's biggest cities along the u.s. border. this after mexican authorities arrested the leader of a cartel, which is one of the main drug gangs in the area. vehicles, as you can see, were torched. and then shootout began. three people were killed and two state police were hurt. it's been one of the most violent cities in mexico over the past year racked by turf wars. isis claiming responsibility for a suicide bombing at a popular market this morning. afghanistan's president just made that announcement. the bomb went off in jalalabad, afghanistan. 36 people were killed and 100 others were hurt. >>. today five men are waking up in custody accused of plotting terrorist attacks on police officers in australia. the suspects including two 18-year-olds are accused of preparing the attack.

as one police officer put it, the thief has no heart. someone stole a little boy's wheelchair last weekend. thanks to an enormous show of support, he got a new one yesterday and chris gordon was there when it was delivered. >> reporter: prince georges county police delivered a replacement wheelchair to the 4-year-old youngster who had his wheelchair stolen. this surveillance video showing the thief rolling it across the parking lot outside the family's apartment resulted in the donation. >> from the bottom of my heart, i'm very grateful. >> reporter: police announced that the wheelchair was donated by the mother of 11-year-old emanuel marshal, who had outgrown it and wanted to help by donating it to joshua. >> i honestly shed a tear. it was because the situation was

so similar, it really hit home. >> how do you feel giving your old wheelchair to joshua? >> i feel happy. >> reporter: police want you to look closely at this video and call them if you can help identify the thief stealing joshua's wheelchair. >> it's disturbing to actually have seen that happen and watch that video. he doesn't look uncomfortable in anything he did. it doesn't sit well with me or members of the community. >> reporter: the new wheelchair has given joshua back his sense of independence and his smile. >> thank you, emanuel, for donating the wheelchair for joshua. he's really happy to use it. >> reporter: emanuel has made a friend. >> does it make you proud to be able to help? >> it sure does. next weekend the white house will open its grounds to the public.

you have to get a ticket first. the good news is it's free. the national park service will distribute the free tickets at the pavilion at 9:00 a.m. they will hand out one ticket per person on a first come, first serve basis. it's hard to think about gardening with the winter we wept through, but it's already had here. hi to cut the grass already. >> allergy season is here. tree pollen has been one of the main offenders this last week. >> today plenty of sunshine. if you have allergies, anot a great day. this is t-shirt and shorts weather. don't need a jacket. temperatures are already mild across the area. as we head into the day tomorrow, temperatures will be cooler. so as we head to graphics right now, shorts and a t-shirt, that's all you'll need. you'll be just fine in that.

sunscreen and sun glasses are needed. 64 in washington. 55 is the temperature in manassas manassas. highs today in the upper 70s and low 80s. 78 for a high temperature in lo ray. 80 for thosesome. tomorrow we'll start out with sunshine. upper 50s at 7:00 a.m. by the midday hours, we're in the low 60s as clouds increase. it's breezy tomorrow afternoon with a high of 66. . rain moves in during the late afternoon and early evening hours. timing it out with future weather, 7:00 a.m. tomorrow morning, notice even the lack of cloud cover, but clouds will fill in as we work throughout the day. by 7:00 future weather still wants to keep us dry, but at that point there's a chance of showers even for those in the d.c. metro area. and then notice sunday night into monday rain moves through

the area potentially heavy rain. look at 5:00 a.m. monday morning. the yellows and oranges, maybe a rumble of thunder as well. then it looks like we'll have showers for the mid-to late morning hours. dry around the midday hours as we get into monday afternoon and evening. it looks like another round of hours and some thunderstorms. depending on how much sun we get on monday some storms could be on the strong to severe side. something to look out for. because of that the weather having a moderate impact on your monday with rain mainly early and then again later in the day. that potential for some severe weather mainly later in the day. a high of 73. now on tuesday, partly sunny skies and breezy. notice our average high now 69 degrees. so tuesday will be right around that. and then on wednesday, we start to turn cooler. a high temperature on wednesday of 66 degrees. thursday there's the chance of

showers, a high of 65. friday a high of only 62 with partly sunny skies. the climate prediction center saying it looks like we'll have a cooler than normal finish to april. you can find more information on my facebook and twitter pages. music festivals and concerts like the one today are giving inspiration to a new generation of technology. >> we are going to show you the gadgets getting people through the summer including one that gives you reception even when you don't have a signal. and an espn reporter suspended for an abusive rant at a towing company. see how the company is act

today you can grab the mathematicians in your house and head out to the first ever national math festival here in the district. that takes place today at several different locations downtown including the smithsonian garden. you can try out some of the exhibits. there will also be performances by the indiana jones of mathematics. it sounds like fun. that takes place today from 10:00 a.m. until 4:00 this afternoon. >> math is cool, angie. >> it's hard for some of us. spring and summertime means more than just sunshine and shorts. it's also a time a lot of tech companies release new gadgets for you to use on your adventures.

mark barger has a look at some of the hot tech toys. >> reporter: music festivals including this week's coachella are expected to draw 32 million people around the country this year, according to nelson entertain entertainment. that's a lot of fuel for social media media. >> if you're taking pictures all day, it's easy to run down your smart phone battery. >> mofi can give your phone a boost without a power outlet. this model attaches to your key chain. if you have power but no service, the startup can keep you in range when your service isn't. >> it was inspired because of the experience of going to big music festivals and not being able to get a message through. >> reporter: it sold for about $150. it can keep you and another festival goer connected via bluetooth. >> you can send text messages locations, broadcast to anyone

within range in case of an emergency. >> reporter: but leave your selfie sticks at home. some festivals have already banned them. >> if you must take a selfie at coachella, you'll have to stick out your arm like in the old school days. >> reporter: the bottom line is preserving those festival memories one way or the other. mark barger nbc news. >> the battery issue is the biggest thing for me. my phone is always drained on its battery. >> the key is remembering to charge the mofi. it's the thing you bring with you and can attach to your phone or on a key chain and plug it in. >> can't you charge them wirelessly? when is that going to happen? >> it seems like we're moving fast with technology. the towing company caught up in the firestorm doesn't want

her fired. plus what vre made official that will impact your pockets. we'll have your forecast and when it's going to be the

in today's top story, southern avenue is back open in southeast d.c. after this serious crash. take a look at that.

two cars off to the left of your screen collided just after 1:00 a.m. the black car is flipped over. we know that half a dozen adults were involved in this accident. two were rushed to the hospital with serious injuries. this morning the university of mary washington mourning the loss of one of its brightest students. he killed his roommate grace mann inside their home. police are trying to figure out why this morning. a live look at the national mall this morning. in a few hours o the earth day concert will begin. some of the headliners include usher and fallout boy. that show is going to kick off at 11:00 a.m. you can go to our nbc washington app to read more about the show. let's get a check of our forecast now. amelia is o outside. this is one of the times i'm jealous of you guys being outside. >> i get chilly so easily. it's a bit breezey out here and

we're in the shade. so the temperature is 67 degrees, but if you're just stepping out to run your saturday errands, maybe going for a run, you don't need the jacket. but i get cold easily. so right now the temperature is 69 degrees. we're going to warm up quickly. i don't know if we can hop over to max one but 10:00 a.m. still plenty of sunshine. if you're heading down to the earth day concert, here's what you can expect. it's going to last all day. temperatures into the 70s this it morning. mild still as the concert is wrapping up with a temperature of 78. you need the water, sunscreen, sunglasses and the weather on the 8s, strong recommendation to use metro. temperatures in the 60s. cooler tomorrow with some rain. more on that in a bit. >> thank you. in arlington police are trying to figure out when or if they will be able to speak with two children after their mother

was found murdered in her home. the kids are young and a neighbor found them sitting in their pajamas in front of their house yesterday. investigator a 42-year-old psychologist who does contract work for the fbi. dr. black is separated from her husband and the couple is in the middle of a divorce. police say he is talking, the ex-husband, to detectives and is cooperating with the investigation. the man at the center of a crime spree that left a u.s. census bureau guard dead has been charged with murder. ronald anderson is facing new kidnapping charges. documents reveal he was chasing a car with his ex-girlfriend and another person inside. the driver of that car decided to go to the census bureau because they knew there would be armed guards. he shot a guard who later died and anderson got into a shootout with d.c. police. he faces life in prison or the death penalty if convicted. a fairfax county police officer is no longer on the job today after bonding out of jail on child pornography charges.

bud walker resigned yesterday. he walked out of jail late yesterday morning after posting a $15,000 bond. he can't use a computer or have unsupervised contact with children. walker was a public information officer when the investigation began. we are following a developing story in iraq. isis claiming responsibility for a car bombing outside the u.s. consulate in irbil. the city is in the northern section of iraq. the explosion killed three people, but no one inside the consulate. a medical official told nbc news a dozen others were hurt including an american woman who taught at a local primary school. more than a dozen people recovering in a hospital this morning after an explosion in california. a work crew was using heavy equipment at the fresno county sheriffs gun range and hit a pipeline carrying natural gas. you can see that line burst.

witnesses saw a huge fireball. shoot 200 feet in the air and the explosion shut down a major highway for hours. at least three people were severely burned. do you feel good about your job? so i could be a college dropout and do the same thing? >> reaction is still coming into to those comments from espn reporter britt mchenry. her vehicle had just been towed. she said she allowed her emotions to get the best of her and said insulting and regrettable things. she is not the first driver to express anger about advanced towing practices. they were looked into. the numbers of official complaints. >> reporter: carlos martinez and his son had an expensive lunch, $135. the bill they paid to the towing company that hauled their van away after they parked here to eat. he parked in this lot, but when

he realized he was short in cash he went across the street to the bank of america. >> it took seven minutes. >> reporter: when he returned, his van was gone. he accused advanced towing of predatory practices. >> they are like thieves and immediately they stole our cars and have to pay a reward to get our cars back. >> reporter: advanced towing is a company we have reported on several times in recent months. in december this woman called us to complain when her vehicle was towed with her dog inside. earlier this month this dad was outraged when he was inside a cvs and a tow truck driver hooked his car with two kids inside. the kids yelled and the driver unhooked and took off. >> when i started crying, he said i'm sorry for freaking out you. >> reporter: the i-team gathered statistics to see if there are more complaints.

police investigate towing complaints. their records show from 2012 to 2014 advanced towing was the target of 155 complaints. that's far more than any of the other companies that do business in arlington. in fact, more than all the others combined. police determined advanced towing committed 15 violations in that time. now carlos plans to let police know what happened in his case. >> after the vud owe was released espn suspended mchenry for a week. advanced towing said, mchenry is our neighbor and as she said, made remarks out of line. she's human and errors in judgment can be made in the heat of the moment. you'll soon be paying more to travel on the vre. fare fares will increase on july 1st. the amtrak cost of step up

tickets will go from $3 to $5. today you can enjoy the outdoors and get a little bit closer to nature at a national park. today kicks off national parks week, which means free entry to any national park in the country. head to the nbc washington app to check out a list. national park weekends april 26th. commuting through virginia is about to get a little more expensive. the agency about to up their rates and how much time you have before it happens. and scary moments for this family at the gorilla exhibit at the zoo.

if you run over somebody it's usually because you were driving too fast or you didn't look before you turned or you didn't stop for someone in the crosswalk. always be alert. pedestrians don't come with airbags.

good morning, the caps bounced back now tieying up the series 1-1 as they head to long island this sunday. not only did the caps bounce back, but so did the crowd. it was the loudest the verizon center has been all season long. >> i have never heard it that loud before. unleashed a furry happened and it was a great atmosphere here. we won this one for them. >> you can hear them get louder and hear the shoots and all that kind o of stuff. overwhelm you. but it's like it's fake. this is planned, they are going to score a goal just because you can hear it building. it just worked out that time. >> it helps our team when the fan base that i know so well coming into this building, when they are screaming and keep doing that. we feed off of that.

you think you have an effect on the game, you do. you give us tons of energy as a fan base and keep rocking it. >> one missed the game because of the flu, but coach says he expects him to be back in the net on sunday when they face the islanders. >> go caps. let's not forget about the wizards. the raptors are a tough team. it's going to be a tough matchup. >> our fans are great here in this town. it's wonderful to have something to cheer them on for. the wizards were on fire for so long. they play at 12:30. everyone will be rooting for them. it's r very exciting. the towing company caught up

in that firestorm surrounding an espn reporter says it does not. her fired. >> plus what we have uncovered about the company's his ris. and if you're looking for a weekend getaway, we'll show you some inexpensive options. take a look. feast your eyes on this live shot. summer-like weather planned for today.

it appears former arkansas governor is getting very close to another run for president. mike huckabee told fox news he will unveil his plans about the 2016 race on may 5th in hope ar arkansas. so far three republicans have officially declared ted cruz rand paul and marco rubio. a new bill was passed to make it harder for lobbyists to wine and dine them. it limits gifts to $100 a year. that includes meals and entertainment. the reform legislation was prompted by a corruption scandal involving bob mcdonnell and his wife. a jury convicted the couple for accepting hundreds of thousands of dollars in gifts and loans. with today's nice weather, many way head down to the canal.

we're learning about a new way to enjoy the canal overnight. zachary kiesch has more on the historical lock houses. >> this is you spend a lot of time hanging out. >> reporter: it was george washington's vision to see an old canal from georgetown to cumberland. along the route, 20-some lock houses. >> this is the first lock house i stayed in. we have been in three others. we have one booked for end of august. >> reporter: today the old lock houses are a sort of retreat for people. >> we actually help raise the funds to refurbish a number of the lock houses and furnish them. >> reporter: mike mitchell runs canal quarters. six lock houses have been renovated. all built in the 1830s they range from no plumbing or electricity like this to full amenities. >> then they have firewood so then they have the fire circle.

>> reporter: susan and seven of her girlfriends have made it a yearly thing. >> the lower one is pretty comfortable. >> reporter: part of the 1920s when a flood actually shut down the canal, families would actually live in these homes and tend the locks so goods can make their way up and down the canal. >> everything from pies to flour to nails were shipped as well as communications. it was the beltway of its day. >> reporter: coal was the main transport. the prices range from $100 to $150 a day. >> the best part is being in the middle of nowhere. >> a piece of history, maybe for just a night. zachary kiesch, news 4. the longest running variety show is ending after 53 years. it's a saturday night program widely popular among latinos.

it began in 1962. the show is broadcast in 40 countries and is known for its funny skit games and on-air family reunions. the show has even been spoofed on "saturday night live" and "the colbert report." he's retiring from the show. the final show will air on september 19th. >> well done. check this out. the video is getting a lot of attention and a lot of hits online. it shows a family at the zoo checking out the gorillas bam! then they go running. the little girl you can see her in the reflection of the window. she starts beating her chest and the gorilla says she's had enough and comes crashing towards the window there and actually cracked it. you can see a little spider web. really scary things.

>> the reason they said it did that is because if you beat your chest, it's like a sign of dominance. so the gorilla thought she was trying to show off, and bang, cracked the glass. i'm in charge. >> i think we have all learned the lesson. next time i go to the zoo, i'm going to politely wave. >> move right along. >>. i have to say i went outside it's beautiful. i think the pollen in the air got to me. it got me. >> i can't breathe. >> but it's beautiful today. low humidity, a high around 80 plenty of sunshine. for tomorrow, it's going to be cooler highs in the some rain is in it the forecast for tomorrow. it will be dry most, if not all of your sunday. it's during the evening hours when rain moves in. we'll continue to track rain at times on mond day. turning cooler for the upcomeing

week. next wednesday, thursday and especially friday, the temperatures will be very spring-like. if you're saying i want more spring don't worry. today is the only day it's feeling like summer. so 69 degrees is the temperature right now. calm winds, beautiful sunshine sky cast showing you what the sky will look like throughout the day today. by noon still beautiful sunshine. much of the same as we head into the afternoon hours. fabulous evening tonight. barely a cloud in the sky. great afternoon for nationals as they take on the phillies. first pitch just after 1:00. temperature at that point in the mid70s. drink plenty of water at the game. that will be our high for the day. sunday impacts r for tomorrow travel weather looking good dry for the daytime hours. outdoor exercise cooler, really quite nice. . heading out and about, maybe you'll have sunday dinner out,

anticipate some rain moving in. maybe you'll try to grill out tomorrow night, there's a threat of rain showers. so 6:00 the chance of showers at that point otherwise cloudy skies. 7:00 p.m. tomorrow evening, this is when rain will be moving to the area. this includes the chance of rain inside of the beltway at that point. 8:00 p.m. rain is likely in spots. a temperature of 59 degrees. now on monday a high of 73. so it's pretty mild out. and what you can anticipate rain early, and that could be heavy in spots. if you leave early for work on monday, know you could be dealing with hefty downpours and a rumble of thunder. we'll have a break around the midday hours. depending on the sun we get, showers are likely later in the day. some thunderstorms possible as well. if we get enough sun, some of the storms could be on the strong to severe side. tuesday, partly sunny breezy a high of 70. 60s return on wednesday, mid-60s. the chance of showers on

thursday. temperatures in the mid-60s. next friday, chilly. ladies, how do you know whether you are being paid what you're worth at work? mika wants to help you figure that question out. she's holding a conference in washington. this is on may 15th and you can register through our website. search "know your value." there's also information there on how to enter a contest where you could be featured in a workshop on stage. entries must be received by the end of this weekend. 9:22 on this saturday morning. first it was fountain drinks

well they look just like no parking sign, but the new signs popping up in new york city aim to stop cat calling. >> the signs aim to bring awareness to harassment on the city streets. while the occasional whistle may make some of you smile, some take catcalling too far. >> reporter: spring is here and as temperatures rise, people are hitting the streets wearing their warm weather best. but strutting your stuff shouldn't be an invitation to be harassed. >> i'm constantly thinking oh, maybe i shouldn't wear this because there will be unwanted attention. >> reporter: this week the group feminist apparel posted signs parking unofficial no

catcalzones. >> i don't think this is going to end street harassment but it's bringing awareness to it. >> reporter: a study finds 85% of women reported experiencing street harassment before the age of 17. >> asking us to smile it's with an expectation that we owe them something. respond if you want to don't respond, do whatever you need to do to stay safe. >> the nonprofit group released a video that raised a lot of eyebrows. a woman walking the streets of new york. a clip that's been viewed more than 40 million times. here's another video. this time a guy. but are all comments on the street unwanted. these guys seem to like it. >> if someone catcalled me i would marry them instantly. >> what do the construction workers think? >> you have one line to say. you can't chase a person or harass a person but you can compliment a a person. >> do you think it's difficult

to find that line between a compliment and a catcall? >> yes. >> so some believe there is a line that shouldn't be crossed. >> do you have guys say something and think to yourself that was not appropriate? >> yeah. >> do you say anything about this? >> in this type of work, you have to keep to yourself. >> reporter: maybe the city could use a few more signs. >> stephanie gosk there. that's all for news 4 today. >> stay tuned for our special on the assassination of president which car company is the first and only to offer built-in 4g lte wi-fi in cars, trucks and crossovers? ranking from top to bottom. i'm gonna say mercedes is the innovator. bmw just because they're pricey. the final answer... wow... (cheers) chevy. this model has the wi-fi in it? -yep.

that's the dream to have wi-fi in the car. get cash back for 15% of the msrp on select 2015 models. that's over thirty-one hundred dollars on this chevy cruze. find new roads at your local chevy dealer.

abraham lincoln our nation's 16th president, he led ourçó country through the civil war andñi promised axd moreq perfect union. but after a gunshot inside a play house 150 years ñiago, washington maryland and virginia took center stage as the region mourned a leader and searched for his killer.c >> the lincoln assassination, 150 y]nm1ñçó herews now from fords theater in washington, nbc 4's aaron gilchrist. >> it was good friday, the season of resurrection when america's rebirth was startled into despair by a single bullet fired intoe1 president lincoln's head. it happened