The very first to be stalled in fairfax county. Take a look at this morning as pedestrians punched the button for the first time and put it to the test. The signal then activates the overheadlight to eventually turn to solid red and that stops traffic in both directions so the pedestrians can safely cross. It was put at this location to solve a frightening situation. An Elementary School right across the street from a big Apartment Community where many of the residents live. But the closest intersection with crosswalks were blocks and blocks away. Unfortunately, drivers are really distracted and at a minimum they are crossing where there is a crosswalk and here we had none so we gave people no option. Now that the option is here, we want to make sure everybody uses the crosswalk to cross the street. As you can see behind me, this is a busy road. Reporter now, when i join you at 5 00, we have obtained Security Camera video. Why it shows something that is every drivers nightmare. Back to you, wendy. Thanks, julie carey. Employees of the department of agriculture are deciding whether they will return to work tomorrow after a serious threat. Several messages were sent last night raising concerns about the safety of usda personnel and their facilities. Six facilities in five states are closed until further notice. That includes the one in beltsville. Employees can telework or take authorized leave. A 12yearold boy has a critical injury because piece of an old shed fell and hit him. Story for us. Reporter this house is empty. Firefighters got a call around 12 30, a 12yearold boy had been injured. It was unclear what the cause of the injury was. But when firefighters arrived on the scene, this is what they found. A construction site in the backyard of this house where the new owners are apparently taking down that old shed. According to a Fire Department spokesman, the little boy was in the backyard when a piece of wood or lumber fell and hit him on the head. Firefighters and paramedics from the nearby Landover Hills fire and ems station responded. A 12yearold suffered a critical injury from a piece of wood that appears to have fallen from a shed being renovated in a backyard. He remains in critical condition. Mark segraves, news4. Big transportation moves in transportation officials will stand up in annapolis near the bay bridge and will make two amounsments that impact people who travel this road. Well bring you the latest as soon as it happens. An emotional first day in court. The trial is now under way for the man accused in the death of his girlfriends young son. Tracee wilkins has been listening to the testimony today and is live from upper marlboro. Reporter its a tough trial to listen to. A lot of information. 911 audio that was absolutely heartbreaking as you hear this boyfriend doing cpr on the young child trying to bring the child back to life. You hear the childs breath just for a moment and then he fades away. As we know, he died from injuries, according to the states attorneys office, he sustained under this mans care. Testimony. Hes charged with killing his girlfriends 23montholdson last august in their river dale apartment. According to the autopsy, he sustained injuries of bluntforce trauma to his head and torso and suffered a lacerated liver. Hes now facing murder and firstdegree child abuse charges resulting in death. Other charges as well. And today, we heard from his attorney. We believe hes not guilty of all charges and we plan on presenting to the jury that he was just a caregiver who is being accused of a crime he did not commit. Reporter coming up at 5 00, the amazing testimony from the mother in this case when she took the stand. Reporting live, tracee wilkins, back to you all in the studio. We have breaking news in the fight against isis. Is now dead. His name is Abu Mohammed Al adnani. He had been at the top of the u. S. List of militant leaders that it wanted to kill. Were still working to confirm the circumstances surrounding his reported death. A new poll indicates that Hillary Clintons lead against donald trump is shrinking somewhat. The latest nbc News Survey Monkey tracking shows there is a 6point advantage compared to the 8point lead in a previous survey. Voters are already casting actual ballots. Its primary day for voters in florida where democratic congresswoman man Debbie Wasserman schultz and marco rubio are trying to hold on to their leads. Year and Wasserman Schultz stepped down as dnc chair amid a party email controversy this summer. Arizona senator and former gop president ial nominee john mccain is also up for reelection in arizona. Still ahead at 4 00, the same speed camera that takes in millions could be a safety hazard. Were going to show you why. Plus, changes Just Announced that will affect one of d. C. s biggest races. And a Beautiful Day across our region. What could impact your labor day. Say hello, everybody. Wait until you see what i have to show you guys today. Its hot. Trust me. Not even the marines can make metro open early. They are sticking with starting at 7 00 a. M. During the Marine Corps Marathon in october which could cause trouble for participants who need to get in place in time. It starts at 7 45 for wheelchair and hand psycyclers. In northern virginia, people trying to save an historic mclean home have a glint of site and it dates back to the 1700s and played roles in the civil war and war of 1812. Its believed to be a house where Dolly Madison fled to safety from the british. Now there are plans to demolish the house to make space for new homes. Ive been trying to reach out to the public and try to bring people forward who might have the means to save the property. We had a very good hopeful start here as the builder has allowed the county to come in and document and survey the site. The developer declined our offer to come and speak on camera. Announcing results today, d. C. School Officials Say there is slow but steady progress in turning around a school that has for decades scored low in achievement tests. Still, just over 25 of the students across all grade levels are college and career ready. Longtime chancellor says she expected the schools to continue to make progress after she leaves this system next month. A young couple almost home when they were attacked. Youll hear from neighbors who heard the commotion, first at 4 00. The wolf was huffing and puffing. Like you do sometimes, grandpa . Well, when you have copd, it can be hard to breathe. It can be hard to get air out, which can make it hard to get air in. So i talked to my doctor. She said. Symbicort could help you breathe better, starting within 5 minutes. Symbicort doesnt replace a rescue inhaler for sudden symptoms. Symbicort helps provide significant improvement of your lung function. Symbicort is for copd, including chronic bronchitis hould not be taken more than twice a day. Symbicort contains formoterol. Medicines like formoterol increase the risk of death from asthma problems. Symbicort may increase your risk of lung infections, osteoporosis, and some eye problems. You should tell your doctor if you have a heart condition or high Blood Pressure before taking it. Symbicort could mean a day with better breathing. Watch out, piggies children giggle symbicort. Breathe better starting within 5 minutes. Call or go online to learn more about a free trial offer. If you cant afford your medication, astrazeneca may be able to help. New arrests in the brazen shooting at the Verizon Center which occurred at the height of the lunch hour. Police arrested a 17yearold man from Capitol Heights and a 20yearold Lafayette Booker of northeast. They were arrested and charged with assault with intent to rob. The day after the shooting, a 15yearold male from southeast was arrested. That shooting victim is still in the hospital. A new concern for drivers in the district. Traffic experts tell us a speed camera on i295 is unsafe and should be removed. That camera is located on a ramp on the northbound lanes of 295. Groups tell us this device was installed too close to the travel lane and thats what makes it dangerous because trucks and cars according to aaa midatlantic, that camera issues nearly 70,000 tickets a year, raking in 7. 1 million in revenue for the district. Mother nature prompting nfl to adjust its schedule due to tropical depression 9. A game was scheduled on thursday but now they will play in tampa tomorrow night. On twitter, the redskins say they support that decision and look forward to the new game time on wednesday. Remember, nbc 4 is the place to see all of the action live. You can catch the Game Tomorrow Night in the evening. There is also tropical trouble brewing near North Carolina taking aim at the outer banks and could cause flooding there. Mike seidel who is tracking this storm is reporting from kill reporter here in North Carolina, were watching tropical depression number eight. Its going to be a brushby. The locals are not concerned at all. Hopefully it goes by quick and i can be back at the beach and run around. Reporter locally heavy downpours later today and tonight before it makes the turn and heads out to sea on wednesday. We have lost a little bit of sand. There is a berm here. But high tide this morning only came up to about here. Last nights high tide went all the way up here almost to the lifeguard stand. This moves out and then they will watch tropical depression number nine down in the gulf of mexico. That is forecast to track well enough offshore on friday that we dont get any direct impact but, once again, it will be a surf and rip current issue. Im meteorologist mike seidel at the Weather Channel for nbc news in kill devil hills, North Carolina. Its backyard in vee generienna. Right, doug . Its a brazilian word, doug. Reporter thats okay. I figured there was something from brazil in what you were doing. Yeah. Its excellent out here. You guys go have fun. Ill have fun with all of these people right here. Were going to have a good time with them because were in the backyard and this is mikes backyard. Were live in vienna. Mike emailed me when we were talking about coming to peoples backyards this summer. He was one of the first people to get on there. And you have something which is the first ive ever seen. You actually do something here that most people dont do. We have 30 different types of hot peppers and were having a barbecue this afternoon and well get into about 15 of them at least. We have spicy burgers, some sauces and well see where the heat levels are for everybody. These are the kind of peppers hes talking about here. Wait until you see some of the other guys. Some of these guys are just humongous. Others are very, very small. Ill tell you what, some are very, very hot. The little ones have an attitude. I dont do well with attitude. Some are growing up and most likely have an attitude. Well get into that for sure, coming up. But i want to talk about what is coming up in the next coming days. Very important to follow this forecast closely. First off today, 89 degrees, winds out of the east at 3 miles an hour. A really nice afternoon. Were in the shade here and very nice low humidity. Temperaturewise, 89 degrees out towards dulles. 86 up towards gaithersburg and as far as the rain goes, were not gog really do need to see some rain. We have not seen much at all for the entire month of august and moving into september, we are rather dry, too. Look at the High Temperature of 91 degrees. Still hot but not too humid across the region. The big thing to talk about here is going to be the tropics. What were going to see from those, lets widen out on the satellite and radar. The first system is off the carolina coast and then the florida coast. Tropical depression number eight, thats off the coast of the carolinas here. Watch the track. The only factor for us is maybe tide influence, beach erosion along the beaches. But the bigger factor is tropical depression number nine. Were waiting for the 5 00 advisory. Look at this track here towards the big bend of florida and watch what happens as continues to track past thursday into friday, moving through jacksonville and off the coast on friday and into the weekend. Now, some of the computer models, we expect it to shift further to the coast. Lets go to the tenday forecast. Another hot one tomorrow. 91 degrees tomorrow. 85 on thursday and then much cooler as we head into the weekend. Friday at 83. A Beautiful Day but then tracking the tropics, much more on the tropical outlook for the labor day holiday. Much more on that and more heat not just from peppers coming up later on. You guys good down there . Peppers with an attitude. Thank you, doug. Check back in a bit. Ahead, the arguments for and against pushing back the start of school and the local politician petitioning for a later start. Up next, accusations against a virginia celebrity that has poice outside of his homle. Fios is not cable. Were wired differently. So we wired the wagners house with 100 meg internet. Which means in the time it takes mr. Wagner to pour a 20 oz. Cup of coffee, tommy can download 30 songs, and jan can upload 120 photos. And right now, get our best offer ever. Super fast 100 meg internet, tv and phone for just 69. 99 per month online, cable cant offer internet speeds this fast at a price this good. Only fios can. And we have breaking news. Police are serving a search warrant at chris browns home in tarzana, california. A woman accused brown of pointing a gun at her before she left the house. Thats according to Law Enforcement officers. Browns attorney t a complaint to instagram earlier saying police are always delayed in responding to his calls for help. Hes made headlines for runins with the law, including a 2009 assault on his them girlfriend rihanna and another assault case outside of d. C. s w hotel three years ago. Back close to home, police are searching for the suspects who robbed a man and woman inside their apartment in Prince Georges County this afternoon. Neighbors tell news4 the couple was followed into their building. When they opened the door to their apartment, one armed suspect forced his way inside. He held the victims inside while searching for things to steal. Neighbors heard screams and called the police. Thats when i heard the screaming. No one was injured. Police dont have a description of the suspects. Wendy . There are growing concerns about a decision that involves apple. E that apple has to pay 14. 5 billion in back taxes to ireland. The white house says its concerned that american taxpayers will ultimately bear the brunt of that decision if apple decides to deduct the payment from back taxes it owes to the united states. Theres hope that the u. S. And European Union can Work Together to prevent that. Apple plans to appeal the decision. His death sparked anger and demands for more answers. Now were hearing the audio of the dispatch calls the night an officer shot and killed an unarmed deaf man. This was last week near a traffic spot near the mans home. Subject down go ahead and assign me. Shots fired. One down. Shots fired. One down. Killed him. The case is being investigated. Laptops and tablets lifted from local schools. The news4s iteam is digging in to why its so tough to catch these guys. Concern that the zika sparked animated conversation. Ed it start of school right in the middle of it. Plus, an interstate pileup. Check this out. What set this whole thing off . And welcome back to 4 30, everybody. A new push to let summer be summer in maryland. Governor larry hogan and the state comptroller are leading a charge to push back the start of the school year. Not everyone is happy about it. Derrick ward is live where some people are saying they dont like that. Reporter a major announcement will be made on education and he will say he would like it to start after labor day instead of august and give summers back to families opponents say the more students spend in school, the better they will do. I want it to be more about the kids. We always have started school after labor day. Its better for the economy in the state of maryland, better for the families in terms of a longer vacation. Details on this story and coming up on news4. Tell us what you think, should schools open before or after labor day . To vote, call or text the number on your screen. Track your results on the nbc washington facebook page. A lot of kids are heading back to school and some of the equipment is heading out. An investigation finds that crooks are stealing laptops and computers by the dozens. Its not just the computers getting pinched but too. Reporter Elementary School, you wouldnt think that a crook would target one but in northwest d. C. , there were valuables for the taking and thieves took 25 laptops. Computers are used every day. Parents have fought tooth and nail. This spring, four cameras caught the thieves in action. We found at least 300 computers or laptops stolen. Some reported on the weekends in the dark of night or in the middle of the school day. At Neighboring School Districts with similar or larger enrollment, there were 70 taken in fairfax. Doug supervises the schools. The laptops that we hand out, they are everywhere and easily grabbed and taken. Each one is given a bar code so it can only be used if someone logs on to the network. You can find out where they are . Correct. Administrators declined multiple requests to talk about computer thefts. Instead, issuing a statement saying the buildings have alarms and cameras and each digital device, including computers, is set up with a tracking tool that monitors the location of the device when its online. In addition, all dcps School Computers are locked during the school day. Even if they can be traced, they travel far and wide before they are recovered, if t at least one of four laptops stolen here made it across the country before it was re