Someone they knew. Thats the only reason im out here. I really just want to see who it is, if i can. Reporter the laundry room is located in the basement of the complex and is accessed from an outside doorway. Police took pictures of vehicles parked in view of that laundry room and went door to door talking with neighbors, asking if they saw anything or anyone suspicious. Our detectives were on scene working to establish a suspect and motive at this time. Reporter for people who live in this community, there are questions. What happened to this woman, who did it, and why. Scary because youre just sleeping and you dont hear nothing. It is a dangerous neighborhood, but that in the laundry it shouldnt even be open at that time. Reporter the people who believe they know the victim told me she did not live in this community, but did have a friend here. Again, Prince Georges County police have not released the name of the victim and again the investigation is very active and still continuing as they search for a suspect. Tracee wilkins. Things have returned to normal at the white house after an incident that led to a lockdown with the president inside. It started just after noon when somebody threw a metal object over the fence near lafayette square. The president had just returned from Arlington National cemetery. D. C. s hazmat team was called in to check it out. It turned out to be a container with some papers inside. The secret service says it did take the person who threw the item over into custody. All this comes as the news4 iteam has obtained internal agency emails that shows the secret service and Parks Service is doing testing for the new fencing for the grounds. Theyre planning on building a new permanent fence that is five feet taller and features a concrete base. The secret service had originally planned to begin construction late last year, b shovels will hit the ground. Before that incident today, president obama marked his final memorial day in office by paying tribute to the nations fallen warriors and asking america to do the same. He began by placing a wreath at the tomb of the unknown soldier at Arlington National cemetery. In his remarks later, the president noted that more than 20 American Service members have given their lives in afghanistan since memorial day of last year and he named the three americans who have been killed fighting isis in iraq. One of them was Master Sergeant joshua wheeler. He was a Delta Force Operator killed during the successful rescue of 70 isis hostages back in october. Wheeler enlisted when he was only 19 years old. He deployed to iraq and afghanistan 14 times, earned 11 bronze stars, 4 for Ashley Wheeler is with us here today holding their 10monthold son david. He talked to their families about the loved ones they lost in service to our country. In the meantime, thousands gathered on the mall today to pay tribute in other ways. Following a National Moment of silence, there was a parade down constitution avenue. It was a day that brought together past and present generations. I come here every day to the world war ii memorial to honor my father and all the men and wom women. Reporter theres no way to ever repay a hero for the ultimate sacrifice. Today it means courage that so many thousands of men died for our freedom. Reporter so many tried to show just how much they care. A simple thank you to those put their life on the line to secure our freedom. We know the sacrifices that they made, the terrific loss of life of American Servicemen. Reporter though young kids made these. Thank you so much for fighting for our freedom. I know it is not cheap. Love a friend. Reporter love in the form of a note passed along to veterans like 91yearold stanley. I served in the navy and was drafted in 1943. Reporter he came back to remember the men he fought with while many from the generations they protected came here on memorial day to honor their sacrifice. Theyre welcome certainly. Another day of living a life in the greatest country in the world. Reporter this is the first year she and her sisters created thank you cards for veterans. But it is something theyre looking forward the memorial day parade was delayed for a while because of some heat emergencies. Several people waiting to watch the parade along constitution avenue were overcome by the High Temperatures. It doesnt appear anyone suffered any serious injuries. Some good news. As people make their way back home on this memorial day, right now it is dry in most of the area, but doug is tracking some showers that could roll in later tonight. Were talking about that rain right now over towards the Eastern Shore and Southern Maryland and more making its way from the west back towards the mountains. You can see the rain thats been happening all day today around leonardtown and cambridge and salisbury. Took me five hours to get from ocean city home today in part because of the rain. Now back to the west tracking these storms making their way in towards hardy county and West Virginia and right through the downtown region one little shower going on. Right along 50 and northeast and bowie. It is slowly moving that way. But the showers, theyre trying to move out. Going to have some hard times doing it. Temperatures staying on the warm side, but the shower chances remain. Well talk much more about this coming up in just a minute. Virginia state police are investigating a deadly motorcycle crash involving a man who took part in the Rolling Thunder rally over the weekend. Happened yesterday in Arlington County after the annual ride. Police say a group of bikers was traveling on i66 when they came upon stopped traffic approaching the rosslyn tunnel. Craig van brunt wasnt able to brake in time. He was wearing his helmet. He died at the hospital. A maryland state trooper new years eve has returned to work. His accident highlights a growing problem, a rising number of troopers getting hit on highways. Reporter it can be such dangerous duty for police helping drivers stranded on the side of highways like this one, especially when the other drivers around arent paying full attention. The crumpled cruiser still fits in a yard outside of Police Barracks in jessop. Tristan phillip was helping an elderly couple stranded on the shoulder when a black car rear ended him. How long have you been a trooper . Three years. Reporter phillip has return o ed to the job. He even showe us his cruiser. I slammed into the vehicle in front of me. The impact actually occurred right reporter phillip says he suspects the driver who hit him was driving faster than 70 miles per hour. I remember hearing brakes, the squealing sound of the brakes. At that time i glanced up at my Rearview Mirror and that was it. I just remember seeing white, whether that was from the air bag, everything was just white. Reporter Police Records show at least seven troopers or their patrol cars have been hit while on the side of the road since january. Phillips new year eves incident was the last of a series in 2015. The driver was charged with negligent driving. Maryland state police have assigned phillip with light duty for now as he continues to recover from back, neck, and knee injuries. Not quite sure exactly when at this time, but hopefully a move over law that requires drivers to move one lane over if they see an incident on the side of the road. Not everybody follows that law all the time. Scott macfarlane, news4. We are following now some breaking news in Montgomery County where a man was found dead outside an Apartment Building in rockville. The man was found at about 5 30 this evening outside of the sterling apartments on old georgetown road. He has injuries consistent with a fall from a top floor. There are balconies on that Apartment Building, but investigators say right now it does not appear anyone saw the man either fall or jump. Well have more details on the nbc washington app as soon as they become available. The cincinnati zoo is defending its actions amid growing outrage over a gorillas death. Tonight officials talk about the video you didnt see and why they think they call. New information about what happened in the moments before a shooting inside a d. C. Grocery store. Well, of course, you know about the tsa lines at the airport, but what about the actual traffic itself . How bad has it gotten at some of our local its video that is hard to watch at times. A 3yearold boy being dragged around by a 450pound gorilla. When cincinnati zoo officials saw what was happening, they made the difficult decision to kill the gorilla to save the little boy. Theres a growing push for the boys mother to face charges. Cell phone video capture it is horror as it unfolds at the cincinnati zoo. A small boy inside an enclosure for a full ten minutes, at times seemingly protected, at others dragged and tossed around like a rag doll by a 450pound western lowland gorilla before zoo officials made the difficult decision to put the animal down. We did not take the shooting of harambe lightly, but that childs life was in danger. Im here to m remember that harambe lived his life in captivity and he died through no fault of his own. Reporter theres been a backlash on social media since the incident. More than 150,000 have signed an online petition calling for the boys mother to face charges, but police say that wont happen, calling the situation an unfortunate accident. The family released a written statement saying we are so thankful to the lord that our child is safe. He is home and doing just fine. We extend our heartfelt thanks for the quick action of the cincinnati zoo staff. We know that this was a very difficult decision for them and that they are grieving the loss of their gorilla. The gorilla exhibit remains closed. Zoo officials expect it to reopen next week. Jay gray, nbc news. Weve been asking thoyou to weigh in on this controversy. So far most of the people who have answered the pollay no, they did Mark Segraves visited the National Zoo Today and found a variety of opinions there. Reporter this cell phone video shows what happened after the 3yearold boy made it through the fence and into the goril gorillas pen falling into the moat. The endangered gorilla named harambe can be seen thrashing the small boy through the water as the boys mother can only watch and comfort the helpless child. Zoo officials shoot and kill the goril gorilla, rescuing the boy. I think it was very sad that there wasnt more protection for the gorilla if people accidentally fell in. Reporter parents were shocked. Oh, my god. They did save the baby. Reporter are you going to keep a special eye on the baby . Yes, of course. We have learned that a offduty Police Officer is accused of trying to shoplift crab legs. It happened yesterday morning at the giants store on third and h in northeast. The officer was working security when he noticed the man trying to hide two bags of crab legs. He says he confronted the man who then pulled a gun and pointed it at him. The officer shot the suspect. That man is now in the hospital in critical condition. Some troubling new developments about a man murdered in Prince William county. He had been arrested four years ago for a shooting. Johnny camara of maryland was shot in woodbridge early this morning. Friends drove him to the hospital and thats where he died. A bar was closing when the shooting happened. They believed there were witnesses. In 2012, he was charged for firing shots during a fight after a high school some heavy weather having an impact on millions of people across the country. Plus, some delays for metro riders just days before the system begins a major overhaul. We can do anything we want to do. We can overcome the toughest obstacles. I shouldnt be here today. An incredible story of survival. How a veteran is using the lessons he learned from war dramatic video from a drone shows the devastation in texas after flooding there over the weekend. This is from the woodlands area just north of houston. Rivers overflowing their banks. Streets washed out by water. At least six people have died in that state. More rain is expected later this week. And the aftermath of tropical depression bonnie is a challenge as well. Heavy rain and flooding drenched part of south carolina. In georgia floodwaters submerged not only streets, but homes too. Weve seen a bit of rain around here as a matter of fact in the last couple of days. Are we done with this . It is going to settle as we workweek and probably into the weekend too. Were not talking about a lot of rain, but you might want to carry the umbrella just in case. Right now downtown no rain out there. Actually this guy doing pretty good out there on the boat. A nice night whether youre boating or doing a barbecue. I think youll be fine. That heat index also at 76. Not too humid. It was a little bit more humid a little earlier. 80s to the west. This is where we have seen some sun today. 82 winchester. Low 70s to the east. Only 70 right now in cambridge. 76 in d. C. Not much going on around the metro. We do have one lone shower here. Ill zoom in on this little guy. It was in a portion of northeast. Now just over the border. This is right along route 50 here as we make our way down on here, around Seat Pleasant and the Randolph Village area. Youre seeing some shower activity more rain down towards southern Calvert County and then right on down across the potomac in towards the northern neck. This shower activity is finally moving off towards the east. Back to the west, watching this area of thunderstorm activity. This is actually the cold front that will move on toward the region overnight tonight. Heads up toward hardy county and berkley counties in West Virginia. Everybody gets a chance later tonight. Take a look at the wider view here. You can really see whats happening. First off, heres that front. Notice whats left of bonnie just sitting there and spinning along the coast. As long as it is close to the coast, it will be able to keep that spin alive. Look at what it does with that moisture. It brings it on in towards our region and back towards the north and east. Look at how far south this moisture train goes all the way down to the bahamas. All of this moistu our region, but as it comes on in, we will see a chance for some shower activity tonight as a result of that cold front and the residual moisture around. Overnight tonight and early tomorrow morning, maybe some clouds, some fog. Maybe a couple of showers down toward the south. D. C. Southward tomorrow, frederick, hagerstown, plenty of sunshine tomorrow. The south and east will be in on the clouds and a chance for shower activity. Heads up tomorrow. Tomorrow morning at the bus stop, no problem. 70 degrees. Tomorrow afternoon 86 degrees. That heat index close to 90 tomorrow afternoon. Im not calling for most of us to see a chance of rain. We should stay dry with the exception of the southeastern zones. Fredericksburg looking good. 83 in martinsburg. Not a bad tuesday. We will call it a storms to the south and east. 74 on thursday. See how were getting unsettled again . 60 chance of rain on friday. That will be in the form of thunderstorms with a High Temperature of 86 degrees. Youve heard about the long lines at Airport Security checkpoints, but for some the problem starts before they even get inside the airport. President ial candidates are taking advantage of the holiday. No break from the campaign trail. He took part in two dangerous deployments, but lost his life in an accident off the battlefield. What a soldiers family is now at 6 30, its a mad dash on memorial day. 38 million americans traveled for the long Holiday Weekend and tonight a lot of people are finally back home or trying to get there. Most of the airports have been packed and the roads not much better. Indeed, the problem for a lot of folks happened as they approached national airport. The traffic just to get around national has become such an issue that officials there are trying to figure out what to do about it. Solutions require some pretty tough choices. Repo feel like there is a time where it isnt a hassle to get to Reagan National . The Reagan National loop now turns into a parking lot at times. It is unbelievable. I never come here. Reporter what can you do . Ship more people to metro . That comes with its own issue. Widen the roads. You cant do that unless you want to encroach on the airport itself and neighboring crystal city. A new entrance to the airport may have to be considered. T so many flights are taking off and landing and so many people are using the airport that the grounds here cant hold everyone. Take a look at the cell phone waiting lot that requires its own wait just to get a parng her own tactic when she comes here. From 3 30, 4 00 on, you getter give yourself a good hour. Reporter you arent imagining more traffic than ever. Just as passengers have crowded the terminal and baggage system, it is also crowding the parking and roadways. The Airport Authority says theyre fully aware of what is happening here at Reagan National. They would like to see the traffic shift to Dulles National airport. They are looking for traffic alternatives to try to make it easier for all of us. Adam tuss, news4. Look right now. Live cameras as a matter of fact. It is traffic from the bay bridge. People trying to get home. Live picture of the bridge which is typically one of the traffic hot spots on the holidays, but that is really not so bad, is it . The nbc washington app and first 4 traffic on twitter for any major backups and delays. Travel experts say that you might want to stay put if you havent already left. They say the best time to travel is after 10 00 to