. fox 5 all over a murder mystery unfolding at a multimillion dollar mansion. a man found dead on the front lawn. a local teen says what one teacher did to him landed him in a cast. tonight it was caught on camera. a popular sleep aid is getting slammed for its dangerous side effects. now patients are telling their horror stories. we begin with the hunt for two killers. i'm brian bolter. i'm shawn yancy. the crime scene a multimillion dollar mansion in a quiet virginia neighborhood. police spent the day combing the scene. stacey cohan joins us live tonight. >> reporter: good evening. the investigation is still very much active. you can see behind me there are police cars perched in the driveway of this home. this may not have been a random attack. the family that lives here owns several business, including check cashing stores. one of those stores was also recently robbed. the house itself is very isolated and difficult to find unless you know where it is perched at the end of this long, winding driveway. >> he's a very nice guy. a neighborhood fella. owns several businesses in northern virginia. >> reporter: mark morgan said he called his friends down the road as soon as he heard of their o deel. just before 11:00 a.m., two armed men approached the garage area. the family was home but according to sources, the gardener somehow intervened and was fatally shot. >> we've talked to him. they're pretty shook up. >> reporter: despite an aggressive search, the suspects escaped leaving others in this secluded exclusive corner of fairfax county double checking their security. >> my mom usually turns on the alarm every time we go to bed just in case something happens. just to keep us safe, if somebody breaks into our house, the machine will call the cops. >> it's kind of scary. it makes you want to come home and turn the alarm system on, lock and load and go from there. >> reporter: now police do not want the name of the victim released publicly pending family notification. authorities are also not saying whether or not anything was taken from the house. once again the two suspects remain at large. live in centreville, i'm i'm stacey cohan, back to you. the trial of they men aciewsessed he -- accused of covering up the death of their friend begins. prosecutors say they made a pact to cover up the crime but the defense says police never considered wone was killed by an intruder. no one has been charged with wone's murder. we'll have details from inside the courtroom coming up on the news edge at 11:00. new tonight a disturbing discovery on metro's red line. officials say a man was found dead aboard a metro train. it happened this afternoon at the shady grove station. metro is not commenting other than to say this is an active death investigation. no word on how long the man was on the train. metro did say drivers are required to make sure no one is on the train before taking it out of service. also new tonight, administrators at a d.c. school are investigating a teacher accused of a horrible act. a teenage student says that teacher broke his ankle. fox 5's wisdom martin is in the newsroom now with those details. >> reporter: brian, as a parent you trust when you drop your kids off at school, they will be in a safe learning environment. imagine getting a call saying your child has been hurt and a teacher may be responsible. tyrone wood, jr. says wednesday during first period at maya angela charter school, he and his friends were in the gym playing basketball. >> i shot the ball. i turned my back. >> reporter: then suddenly things quickly turned chaotic. the 13-year-old seventh grader said a substitute teacher accused him of throwing bell ji beans. he denied it. he says the teacher threw a chair. >> i backed away. that's when he -- [ indiscernible ] >> reporter: tyrone left the classroom and limped down the hall and called his parents. >> i knew it wasn't a joke because it's a whole lot of things me and my kid -- [ indiscernible ] >> reporter: the little boy ended up with a fractured ankle. as far as the substitute teacher? >> he needs to be held accountable, no question about it. he needs to be held in the same standards you and i would be held if we threw a chair at a student or at anybody. >> reporter: the charter school board says they're investigating the incident. they say they've removed the teacher from the school. now they're speaking to leadership to make sure proper procedure was followed after tyrone reported the incident. >> it's okay now. >> reporter: tyrone will have to wear the cast for the next three weeks in spite of what happened he and his dad say they still like the school. >> it's like the old cliche, one bad apple, you know, can't spoil the whole bunch. it's a great school. >> reporter: but tyrone, sr. says his son won't go back until they get to the bottom of the chair throwing incident. >> my main concern is how he's feeling and not necessarily in a physical sense. he has to go back to that school. >> reporter: in a letter to tyrone's parents, the administrators say the substitute will not be in any of our schooling buildings again. we've also been told that there is a camera in the gym and the chair throwing incident was caught on video. but that video is not being released at this time. >> wisdom martin live tonight in the newsroom. narcotics agents have busted two massage parlors in loudoun county. a masseuse is charged with performing a massage without a license. another masseuse is charged with inappropriately touching a customer. both businesses have had their licenses revoked. the fox 5 storm force is tracking some wet weather tonight. our crews caught up with this mess along nebraska avenue in northwest this afternoon. that tree gave way taken down power lines and trapping the suv. the good news here, no one was hurt. here's the bad news, the rain isn't over yet. sue palka has more from the weather center. >> we are really socked in. for those of you who had that extra long commute this morning, prepare for maybe another one tomorrow because i don't think this rain is going to be going anywhere in a big hurry. our first stop tonight will be our live radar at fox 5. you can see there is a lot of rain still hanging around, especially from the district on to the east. we're down to drizzle and just patchy areas of very light rain off to our west. get in a little tighter here and you can see as we get closer to alexandria, waldorf, la plata and annapolis, you're getting the heavier rain. to trueview we go because we see a few more batches beyond this one. this has amounted to about a quarter to half-inch of rain or so. there will likely be a little bit more. you see the batch coming out of charleston. we'll go down to drizzle and that batch may clip new southern maryland as we go through the overnight hours. the reason it's taken so long, the area of low pressure over ohio, that will be taking its sweet time getting through and we are trapped in the east winds or what we call the cool sector. tomorrow another area of low pressure is going to form off this front and right off the coastal carolinas. as that moves up the coast there will be more waves of light rain as well as some patches of drizzle. but it's also going to keep us in the cool sector. check out temperatures now. only in the 50s. and as we go through the overnight, i don't think this is going to change very much so your forecast for tonight, showers and drizzle. some spotty areas of fog. only about 53 degrees. shawn, we'll talk about when we might be able to see those skies brightening up but do expect to plan or at least expect a little bit of extra time for that morning commute because i think there will be some showers around in the morning. >> you can track the forecast and any trouble spots all on myfoxdc.com. head to the home page for the five-day forecast and our interactive doppler radar. we're following a developing story in the world of politics. it's the moment of truth for voters and candidates in four states. but races in three states are getting the most attention. and primary elections about to get under way. could be the end of the line for a couple of veteran senators, among them democrats arlen specter of pennsylvania and blanche lincoln of arkansas. fox 5's will thomas following the developments. >> reporter: one of the candidates in a dead heat is arlen specter. he's the longest serving senator in pennsylvania history. overall the primaries are shaping up to be key tests of voter discontent with candidates on both sides of the aisle under attack. two veterans of the u.s. senate, democrat blanche lincoln ofarkansas and arlen specter of pennsylvania are fighting for their political survival. specter's closing argument? keep my seniority. >> i believe that the seniority, the experience is what it takes to see to it that pennsylvania gets its fair share. >> reporter: specter is facing off against two-term democratic representative joe sestak. >> i appreciate my democratic establishment but the status quo is not acceptable. and i respect arlen specter but his time truly has come and it's gone. >> reporter: the latest poll show a virtual tie statewide. specter is getting some help from the white house. >> i love you and i love arlen specter. >> reporter: also in pennsylvania democrat mark kritz is running against republican tim burns in the race to fill john murtha's seat. >> no point in being mad or screaming. we all need to roll up our sleeves and go to work and do it together. >> reporter: arkansas voters could not blanche lincoln out of the -- [ indiscernible ] >> just trying to get the message out to folks that if you send the same people back to washington, you're guaranteed to get the same result. >> at some point you've got to stand up and be counted and take a vote. i've done that. >> reporter: in the bluegrass state, poll faces off against secretary of state grayson. he has the backing of senate minority leader mitch mcconnell. >> i expect kentucky is going to be in a pretty republican mood this fall. >> reporter: but renn leads by double digits and backed by the tea party. the primaries will be dominated by three key races, pennsylvania, kentucky and arkansas. oregon voters are also going to polls but in races that aren't generating much national interest. by this time tomorrow night we should know about any shake- ups. >> we'll be following it. thank you. police tonight on the hunt for an armed man who held up an armored car and it led to all of this. u haul after u haul being pulled over at the crime scene. a 7-year-old girl shot and killed by police. the cops say it was all an accident but a videotape may prove something much worse. a health alert for parents tonight. foods that are supposed to be good for your kids may be making them sick. he just walked off the end of the building. >> prescription danger just ahead. the search is on for the gunman who robbed an armored car this morning in montgomery county. police say the gunman surprised the armored guard as he was walking from the truck to the bank and held him up at gun point. fox 5's sherri ly has the story. >> reporter: as the armored car pulled up to the bank of america in the morning, one guard stayed with the truck. the second guard headed inside with the cash. that's when police say a robber confronted him at gunpoint, grabbed the money and ran. >> canine did respond and was able to get some sort of track. it end add short distance later. >> reporter: police initially put out the lookout for a box style uhaul truck. police now say it's unclear if the truck described a r had anything to do -- described had anything to do with the robbery. >> life is too short to be involved in situations like that. so i'm glad i wasn't here. >> reporter: one person who works in the building says a witness saw the suspect before the armored car arrived. asking questions and that the suspect was spotted around the bank a week earlier. >> we're reviewing tapes if there are any available. we're look at those, trying to figure out if he was casing the area or if he wasn't, it's unclear. we don't know. >> reporter: police don't know if the suspect had any help. he ran toward the back of the building and got away. >> armored car guard was not hurt. at this point police don't have a good description of the suspect because his face was covered. there's no word how much money he got away with. emotions are running high in detroit after a 7-year-old girl was shot and killed during a police raid early sunday. aiyana jones was sleeping on the coach when she was hit by gunfire. the officer says the gun went off after a physical confrontation with the girl's grandmother inside. but video shows an officer firing from the front porch after throwing a flash grenade into the home. >> this is how we're dealing with this. this is how we do, you see. just look around. you see, this is how we do it right here. this is how we come together representing somebody that we love. >> the officer has been placed on administrative leave with pay during the investigation. officers were looking for a murder suspect. they found him on the second floor. he was arrested. a health alert every parent needs to hear. are pesticides on food making kids sick. a new study says it's a possibility subjecting a link between the foods your child eats and attention deficit hyperactivity disorder. maureen umeh takes a closer look look. >> reporter: [ indiscernible ] >> always a challenge to come up with gooded for choices for my family. >> reporter: these days mothers of the fruits and -- these days most of the fruits and vegetables served are organic. that's because 9-year-old alice is a white -- alyssa white and joshua have adhd. it's a condition their mom trish believes is partly genetic but also could be tie dear. >> i wouldn't be -- dietary. >> i wouldn't be surprised it's connected to behavioral issues. >> reporter: a new study links adhd with exposure to common pesticides on fruits and vegetables. >> i think it's really a wake- up call for us. >> reporter: dr. patricia quinn is a developmental pediatrician and authority on adhd. >> we want parents to realize that pesticides have resulted in problems in brain development for many years now. >> reporter: she says the effects of the most common type of pesticide the study dealt with has been a concern for years. >> since it's on fruits and conventionables and cereal grains before they're processed, parents should try to eat organic as much as possible. >> reporter: [ indiscernible ] some say more study needs to be done. more research certainly is needed. >> the company which deals with plant science solutions for agriculture and pest management in the u.s. says the class of crop protection compound that is the subject of this study has been approved and registered by the u.s. epa and when used according to the label, the epa has determined it to be safe. >> every time something new comes up, you take it into consideration. you evaluate it and then you kind of make the best choices for your family. >> reporter: choices she hopes can help make a difference. maureen umeh, fox 5 news. a young man from maryland got the chance today to personally thank one of the two paramedics who helped save his life. chris larson was working junts neath a truck last -- underneath a truck last september when it fell on top of him. the two pair metdics worked to free him and rush him to the hospital. larson and his mother today got to meet and thank murphy. >> all i can say is thanks. that's all i can say, you know. she took a big part in trying to save my life and she succeeded. >> she's given me a second chance with my son. and i thank her immensely for that. i mean, she risks her life every day for people she doesn't even know. she deserves it. >> trauma doctors told larsen's parents he's alive today because of those two paramedics. they both received emergency services award from the fire chief. a plane on fire made an emergency landing in dulles and some big name celebrities were on board for the frightening moments. plus, preventing a disaster. what the government admits it did and did not know about the possibility of a gulf oil catastrophe. and are they or aren't they. results from one ever the biggest -- of the biggest studies of its kind. do cell phones cause cancer. the answer is coming up next. here's to the believers. the risk-takers. the visionaries. the entrepreneurs... who put it all on the line to build and run their own businesses. at at&t, we know something about that. our company started out in a small lab, with not much more than a dream. and today, we know it's small businesses that can create the jobs america needs. that's why at&t is investing billions to upgrade and build out our wired and wireless networks. making them faster, smarter, and more secure. connecting small businesses to markets across the country, and around the world. we invest now, because we know it will pay off... with new jobs, new growth, from a new generation, putting their belief in the future on the line. now is the time for investment and innovation. the future is waiting. and the future has always the future is waiting. and the future has always been our business. at&t. tonight a little good news from the gulf. bp has finally come up with a plan that works. crews right now are siphoning the oil spill with a mile long tube. meanwhile it was the government's turn to take some heat over the disaster. fox 5's tom fitzgerald reports. for the first time since it began spewing oil, a glimmer of good news from the gulf of mexico. bp says that mile-long line connected to the leaking rig is working and collecting at least a thousand barrels a day. >> i can assure you that we and the entire industry will learn from this terrible event and emerge from it stronger, smarter and safer. >> reporter: bp's president was back on capitol hill monday, this time striking a more conciliatory tone, but it was the federal government taking most of the heat. >> the impression that you get is that there's no plan, that there's no protocol for handling a blowout of this nature. >> reporter: members of the senate's homeland security committee says the government was not ready to handle this disaster. >> we were not prepared, either the government or the company by demand of the permitting authorities to deal with this kind of blowout of a deep water well. >> reporter: homeland security secretary janet napolitano and an admiral admitted the government was caught off guard. >> clearly this was beyond what we anticipated being something that could happen. we certainly never anticipated an ongoing release of this magnitude. >> i think we're all working together to say all right, what happened here, what power did it have that it didn't exercise. >> reporter: as the cleanup continues the questions over paying up are just beginning. >> the first ones in line are likely to be the first ones and only ones that get paid. >> reporter: university law professor david hunter says with bp's liability capped at $75 million, the race to file claims is already underway. >> the damage will go way beyond that. >> reporter: while bp says it will pay all legitimate claiments, job one is -- owe claims, job one is still shutting off the oil. responding to some of the criticism, the white house announced new steps today, including the resignation of the federal official who is in charge of overseeing the government's watch on off shore rigs. tom fitzgerald, fox 5 news. investigators are trying to figure out what caused the cok pitt fire in a -- cockpit fire in a boeing -- [ indiscernible ] several actors were on board including ashley olsen, justin bartha and jared specter. it's supposed to hem you get a good night's sleep. instead some patients say a popular sleep aid