The individuals involved in his murder took away a man with children who depended upon their daddy on a daily basis. This event will not go unjusticed. It will not go unnoticed, especially for the future. Now we should tell you that the federal prosecutors have to meet an extremely high legal burden to bring civil rights charges. Both officers have been placed on administrative leave. And the police chief says despite calls to do so, he does not plan to step down. Just ahead in the next 15 minutes well go live to baton rouge as the city prepares for more protests tonight. At the live desk, chris lawrence, news 4. Thank you, country. The navy is looking into an incident involving a highranking official allegedly pointing a gun at people here in our area. Video obtained by cbs news appears to show karnig ohannessan point a gun. A magistrate declined to issue an arrest warrant. His bio says he is an adviser to the navy for energy. Deadly fourth of july shooting at the Deanwood Metro station. Transit police say they came to the station monday night to investigate a crowd setting off fireworks. When they got there, they saw a man with a gun who immediately began firing at the officers. One of the officers immediately shot the man, who died at the hospital. Police identified that man as 21yearold sydney washington jr. None of the officers were injured. That real summer heat and humidity has finally arrived for the first time this year. It feels like 100 in some places out there. This heat wave and how its impacting just about everybody around here. Doug is outside feeling it. Doug . Take a look at that heat right now. Heat index, the highest it has been all day in some areas out across the region right now. They said hey, do you want to go outside in this heat . No. They made me go anyway. In the shade its not quite as bad. In the sun it really does paint a much bigger picture. 99 heat index in d. C. 97 in manassas. 99 toward culpepper. Extremely warm and humid day today. The first real heat wave of the summer, temperatures over 90 yesterday, and probably saturday. Above 100 tomorrow and friday. Were tracking that weekend change. We have changes coming in for the weekend. Good news for the most part. If you have weekend plans i have that for you coming up in a around. Yes, it gets hotter over the next few days. Thank you, doug. Making sure everyone stays safe with this heat wave. Hot air isnt keeping everyone indoors. News 4s chris gordon continues our team coverage. Now he is live at the splash park. Staying dry, though, in glenndale. Chris . Reporter heat, humidity and 100. Kids here at the splash park dont seem to mind it. The worst thing about their day is when they call adult swim and get them out of the pool for 15 minutes every hour. For the rest of us, theyre not as much fun in looking for ways to cool down. D. C. Activated its emergency heat plan this afternoon. But these construction workers and avid runners arent letting the heat slow them down. District residents and visitors are urged to seek air conditioning. They cana recreation facilities, senior centers, libraries and museums. For many in our area, getting out on the water was the way to beat the heat. Kids are keeping cool at rockville town square by playing in the fountain. You dont need a swim suit. Theres lots of water but not for drinking. Its recycled and meant just for a day like today. Its really nice that the city provides this for us. It keeps us cool and safe. Reporter sitting in the shade or sitting in the town square picnicking. Restaurants Outdoor Dining areas are empty. Elderly and disabled people are urged to get inside. County buildings like libraries or Recreation Centers starting tomorrow, homeless shelters will remain open during the day so people dont have to sit outside. Our case managers and nurses will start to call clients who are served by aging and Disability Services and the homeless plan goes into Effect Tomorrow at 8 00. Reporter some tips to cope with the heat. Staying hydrated. Dressing in light clothing and, again, places like Mall Shopping Centers that would have air conditioning. Reporter or the splash pool, which youre looking at live. Doesnt this look like fun and makes you a little cooler as you look at it. Of course, im standing on a hot sidewalk. And its to warn you that ahead well talk about dehydration, which is a real danger and can be deadly. Ahead, we will see exactly how local paramedics are preparing for any Health Emergencies that they may face this week. Jim, back to you. Chris gordon, out in it. Thanks so much. A map of cooling centers around d. C. In nearby counties at our website right now. Go to nbc search cooling centers. Pat . A very close call for a child in herndon. A bullet went right through her bedroom window last night as she was piering outside. It lodged in the mattress where she had just been sleeping. News 4s Kristin Wright joins us. What more have you learned, kristin . You see a bullet hole through a childs window, you hate to imagine just how scared and confused she was. Tonight, police say they have no reason to believe that this family was specifically targeted. They think this was something that just happened. The bullet shot right through the little girls bedroom window on monaghan drive in herndon. The 9yearold was in bed and got up because she heard a noise. Police think it was glass that hit her in the arm. They found a bullet in mattre mattress. A few doors down, jenny correas is raising small children. It is scary. I have three kids play outside every day. Reporter two of her kids heard the gunshots last night. We thought it was just fireworks so we didnt pay attention. The second one were like oh, my god, what is it . Reporter Police Search an area, park behind the 9yearolds home. When she heard, she went out looking for that bullet hole. It scares us really. Its so close to home. Youre sitting at your window and all of a sudden you hear a gun come through the window. Reporter this is the neighborhood of children. Its scary because i dont know. Something bad can happen. Iscary, really, really scary. For my kids its a big problem. Reporter we spoke to this little girl. Shes actually 7 yea coming up tonight at 6 00, jim, she tells us about the terrifying moments when that bullet came through her window. Back to you. Frightening. Kristin wright, thank you. Tonight an inside look at the lab in virginia that processes backlogged rape kits. Weve been reporting on the number of untested kits for a while now, some of them dating back to the 80s. Now, thanks to grant money, the commonwealth is going through thousands of cases in our area. We go inside the lab in lorton. Reporter for the past two months theyve been processing more than 2,000 backlogged Sexual Assault kits from around virginia. News 4 got an exclusive look inside. Many of these kits are nearly old. Decades were seeing this unprecedented surge in testing that were experiencing today as were working with cities and states around the united states. Reporter the state received a its allowing for all the backlogged kits to be stored here and tested over the next few months. This is really important for a lot of reasons. First of all, it can help us identify additional crimes that known perpetrators may have committed. Reporter its a process that could bring thousands of frustrated victims closer to getting justice. We try to take the equivalent of one swab for our Sexual Assault sample. Reporter each sample is carefully marked with its own individual identification number. After its tested, Scientists Say it goes back into the envelope and is sealed again. Its a process that can take up to two hours. But its one state officials hope will help them take violent criminals off the street. We know that sexual violence, Sexual Assault is a serial offense. Rarely does a perpetrator commit it only one time. Thats why its important to identify and get these tests these kits done. Reporter reportingin lorton, megan fitzgerald, news 4. Now at 5 00, her daughter was murdered on live tv. Now the mother of a virginia reporter wants new Media Attention here in washington. Well explain why. Coming up on news 4 at 5 00 tonight, time is running out for anyone who purchased a winning power ball ticket in virginia. How much cash could be lost in a matter of days. Im Darcy Spencer in winchester. Vote for donald trump at the Republican National convention or face a possible criminal charge. Thats the decision facing one delegate. Okawhoa ady . [ explosion ] nothing should get in the way of the things you love. Get americas fastest internet. Only from xfinity. The extra crispy colonel. My extra crispy, twenty dollar fillup feeds a family of four. Its crunchy juicy and oh so tasty. Kfc. Its extra crispy good. This is video from als steakhouse. Were not hearing about any injuries at this point. Expected in federal court tomorrow, challenging a virginia law that requires him to vote for donald trump at the convention. He is very clear he is not a trump supporter. He is part of the growing free t Darcy Spencer has our story. Reporter beau carell is a delegate to the Republican National convention and by law he is required to vote for donald trump. The problem is, he doesnt want to. Look, the guy is not even competent for the presidency. If there was a howto book, he hasnt even opened he hasnt even cracked the first page. Reporter virginia law forces delegates to vote for whoever wins the primary. That would be donald trump. Even though correll supported ted cruz in the primary. Get this, if he doesnt vote for trump, he could be charged with a misdemeanor for voting his conscience. Reporter if you dont vote for trump at the convention, you could go to jail . Thats what the law says. Reporter filing a federal Class Action Lawsuit trying to get a judge to rule the law unconstitutional. s scheduled to be heard thursday in whats the alternative . We still have some time theres been rumors of other individuals that may put their name forward. Reporter Virginia Attorney general mark herring, a democrat, is defending the law. He says correll knew the rules when he became a delegate. Now hes trying to undermine thousands of voters at the last moment. The trump train has turned into a train wreck, out raised 401 with Hillary Clinton. If we continue with donald trump as a party, were going to have certain defeat in november at the hands of the Hillary Clinton campaign. Reporter coming up on news 4 at 6 00, what he will do if he loses this court battle. Will he still vote his conscience . In winchester, Darcy Spencer, news 4. Its not an exit strategy he hoped for. President obama says 8,400 troops will remain in afghanistan when he leaves office. Thats down from the current 9,800. But more than 5,500 he announced in afghanistan remains precarious because of ongoing threats from the taliban and struggles by the afghan military. The decision im making today ensures that my cesar has a Solid Foundation for continued progress in afghanistan. As well as the flexibility to address the threat of terrorism as it evolves. Reporter n now john mccai, who chairs the Senate Armed Services committee, says he welcomes the president s adjusted plan but still questions removing any troops given the situation there. Jim comey will appear on capitol hill tomorrow, set to testi testify. U. S. Congressman Jason Chaffetz hopes to learn why the fbi did not recommend charges for clinton, calling the decision a different controversy on the hill. Doctors are looking to see whether elevated lead levels in the water at the u. S. Capitol are affecting anyone. Officials shut off the water in the Canon House Office building last week after tests showed lead levels slightly above national standards. Today, house lawmakers and their staffs will be allowed to take free blood tests. Three winning powerball tickets in virginia are about to expire. Two were bought in our area. Theyre from the january 13th drawing and are worth 50,000 bucks a piece. Winners need to claim by the prize by next tuesday at 5 00 pm. One of the local tickets was bought at supermarket in falls church. The other at a 7eleven in lorton. Winners matched four of the winning numbers, 4, 18, 19, 27, 34. Now to that mega millions. Were due for a winner any day now. The jackpot hasll its a lot more than the 50,000 i just told you about. Lottery it officials told us this will slightly increase your chances of winning but the odds are still 300 million to one. Mega millions jackpot is now more than half a billion dollars, seventh largest in u. S. Lottery history. And the drawing take place friday night. Good luck. Drama at soldier theater. It had nothing to do with the performance. Instead it was a medical emergency in the crowd and this happy ending came thanks to the kindness of strangers. Also some good news for anyone who drives in virginia. Find out how traffic, rail and bus service is all about to get a lot better. And this extreme heat hovers over our area, we have some tips tonight on how to save money during the heat wave and dougs full forecast. Youre watching nws 4 ate woman i have a masurprise for you. Are you . Man you have a surprise for me . Narrator at dominion, 1 in 5 new hires is a veteran. And when theyre away, they miss out on a lot. But they wont miss out on financial support. Because we cover any difference between their military pay and their dominion salary, and continue benefits for them why do we do it . Because our vets sacrifice enough. Dominion. Depend on us for more than energy. Stand by me. In these hot summer months sun screen is in high demand. Are you reaching for the right kind . Stand alone, some are moisturizer, some are cosmetics. That is a large amount of products for consumers to be looking at and trying to figure out what is best nbcs raheema ellis joins us now. Raheema, tell us about this new study published about sunscreen. You heard the doctor talk about there are lots of sun screens out there. This study looked at 65 of the toprated product business customers on amazon. They found that 40 of them did not meet all of the dermatologists requirements. One, to have an spf of 30, that they be water resistant and have a Broad Spectrum protection. They might have had one or the other, but failed to have all three. And they want to make sure that people understand in order for you to get the maximum protection, they really want you to look at the products and make sure they have all of those requirements. All right. Rahe raheema, thanks so much. You can watch raheemas story on nbc nightly news at 7 00 right after news 4 at 6 00 with and doreen. Doug, it is just cooking. Now were at the hottest point of the day. Very hot afternoon for sure. In the next couple of days we expect it to be right around the hotter side. Haze is in the air. Hazy, hot, humid conditions continue. 94 degrees. That wind, near calm only at 3 miles an hour. Would be nice if we had a little bit of a breeze. We dont even have all that with all this sunshine out here. 91, leesburg. Baltimore at 92. You add in the dew point, you get the heat index. Take a look at this. Heat index of 99 in d. C. , 98 in fredericksburg, 98 quantico. Very hot and humid afternoon. Not unexpected during this time of year. You know were supposed to get our 90degree days in the month of july. Ths there right now. The only area ive seen some storms is down closer to rehoboth beach. And around bethany. Thats it. The rest of the area has cleared out. Few clouds. Showers to the south. Another line back to the west. This one moving our way, but quickly falling apart as it moves of to the east. Your forecast for tomorrow, just like today. 94 degrees. Now going 95 tomorrow. Hot and humid. Heat index near 100 with all that sunshine. Isolated thunderstorm cant be ruled out. Any time were hot and humid like this, doesnt take much to get a storm going. 95 in manassas. 91 martinsburg. 92 winchester with that humidity. We are talking about those hundreds. How about the beach . Coming up on friday, rather humid. Real hot day at the beach with temperature in 92. 85 sunday. Less humid sunday. Beautiful beach day. But not bad saturday or sunday either. Little bit on the breezy side. The day friday, even on saturday as that front moves through. Right now, the beach forecast friday, saturday and sunday, looking pretty nice. What about that impact forecast . Just like today, we had you on the moderate side. The reason . Its hot and humid, of course. Drink plenty of water out there. Take frequent breaks. If you do have plans to be outdoors it will stay that way. Speaking of outdoors, working out, make sure its a morning run. At the pool, thats the only green side. Lunch outside, too humid for that and outdoor work in the red with lots of water for sure. 95 degrees now for tomorrow. 95 on your friday with 30 chance of rain late in the day. That would be thunderstorms. 94 saturday. Lower humidity as we move into sunday and monday. Right now, sunday and monday looking really nice. Next week looks like another heat wave moving our way. Doug, thank you. Now at 5 00, Hillary Clinton slams donald trump today on the jersey shore. Next chapter be chapter 11. 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