bwi and dulles tie for fourth place. >>> and you may never need to memorize another password ever again. that is the goal of researchers at purdue university's international center for biometrics research. they say fingerprint scans as well as facial and voice recognition are just a few of the tools improving security making our lives easier. we're already seeing fingerprint scanning popping up at local businesses like gyms and salons and tysons-based microstrategy reached out to me to let me know they've done away with badges all together. over 3,000 local employees use mobile phones to get access to the parking garage, elevators, their offices and even computers. i think that's awesome. can't wait till we all move in that direction. >> all this stuff -- i get the big brother thing every once in a while with the new technology. thing finger scansers and all that stuff. it is cool. >> a great big new world. >> you'll never forget your eyeball. >> you know why i worry about that? how can somebody copy those images and use them fraudulently is what i think. >> movies have figured that one

. >>> this could help you zip through security at bwi. the transportation security administration has opened a new lane for preapproved airline passengers there. the prove more than doubles the number of locations for passengers. the tsa precheck program allows approve travelers to leave on their shoes, jackets action belts when going through security and other things too that can help you zip through. we like going through things fast. >> we do. what do you have for us in the next half-hour? >> we are busy women. we live busy lives and we're finding you a way to find you faster service. >>> local taxi drivers are going against the d.c. government. we'll tell you why coming up. >> one of the drivers involved in a dramatic crash that sent the car over the rail and into the chesapeake bay is now taking the blame for it. >> alexander ovechkin returns to the ice and appropriately to the ice and appropriately picks up his oh, no, i got to go. oh, can you make that to go? these days, nobody has time to get sick. but minuteclinic makes it easy t

here at reagan and at the other washington area airports, dulles, bwi, all these airports at the moment are operating normally, no major delays or cancellations to report, but remember the longer l.a.x. is closed the greater the ripple effect will be at airports across the country. so if you're planning on traveling tonight, even if you're not going to l.a.x., if you're traveling, you'll want to check your flight status before heading to the airport. >> of course, we are continuing to follow all the latest developments as we learn more about the gunman. let's go to derek now who is with our security expert. >> ed clark is here with me now. we've within getting to be very close friends because -- been getting to be very close friends because this seems to be happening over and over again, here we go again, tsa agent killed for the very first time. they are not armed. does that suggest there needs to be some change in that security situation at airports? >> we've got to look at all these situations, review what was the cause? what could we do to be more preventive, proactive if we can? so

check a few other sensors nearby but mid- to upper 20s in places like frederick and gaithersburg and bwi. in the upper 20s out towards charlestown with martinsburg down to 25 this morning. this afternoon decent even though we'll have high clouds around. highs mid- to upper 50s and even 60s south and west of d.c.. over to monika samtani now. all right, it's now 5:30 here on this friday morning. >>> hey, it's 5:30 and you know we are good to go early on this friday morning. headed to work early so you can leave early as well. it's a get time to do that. all green on the beltway. college park silver spring. bethesda. route 29's in great shape out of burtonsville. 95 out of baltimore. the bw parkway in through greenbelt route 50 from annapolis. and no problems on the beltway. really all around town. let's take a live look first at new hampshire avenue, look how light it is. the outer loop is right here and no delays yet 95 into silver spring. back over to the maps, this time we're going to head over to the west side. no problems on the dulles toll road coming in from sterling and the airport