obviously we saw fairfax one flying up heading towards merryfield. there was an indication something was serious. not only was the beltway the express lanes were moving very slowly. everybody kept there and kind of clogged up as they tried to get through the corridor here in the merryfield area. as you mentioned, wendy, this is moving now, getting a good pace. a lot of these folks are clearing out. a lot of these cars are sitting for goodness knows how long, if i could stop them i would ask. and there was the perimeter, really only one way out, they have been waiting through much of the ordeal to continue on their way maybe a lot of them likely heading home after the work day. >> david, i know you can see into the cars a little better than us. do you get the impression these are people stuck in traffic or parents who picked up kids? any idea? >> or people in buildings, who were hiding in the building? >> reporter: most of these appear to be stuck in traffic because i noticed them on the other side of the perimeter down there. no car seats filled with

the shooting happened at a law office on the fourth floor of that building in the merryfield section of that county. police are still trying to figure out what happened. they don't know whether he intended to shoot anyone else there. police received multiple calls about a man firing a pistol and responded as if there were an active shooter. >> what made it scarier, the preschool sits inside the office building where the shooting happened. students were bused to a nearby middle school after the shooting. we were there as parents were very relieved and picked up their little one

the shooting happened at a law office on the fourth floor of that building in the merryfield section of that county. police are still trying to figure out what happened. they don't know whether he intended to shoot anyone else there. police received multiple calls about a man firing a pistol and responded as if there were an active shooter. >> what made it scarier, the preschool sits inside the office building where the shooting happened. students were bused to a nearby middle school after the shooting. we were there as parents were very relieved and picked up their little one you just sort of -- i don't know. you're stunned. you don't expect this to happen, obviously, in the building where your son's school is. it's scary. it's incredibly scary. >> parents say they received an e-mail from the head of the school alerting them to what happened. can you imagine the time between getting to where you are to find your child? i can't imagine. >> the police department, the staff at the daycare and the fairfax county schools jumped into action so fast. i was here last night as this unfolded.

a bible that was carried by another soldier, in this case from ipswich, massachusetts, francis merryfield, who had that in his pocket during the battle of hill. retreated, when they he sat down and wrote a short account of the fighting at bunker hill. he thanked god for preserving his life, dedicated his life to the glory of god for having saved his life during this terrible battle at bunker hill. so it's amazing, tough. so what about the rifleman from the south? this is a great group of objects of theflect the sort southern military tradition, maryland, virginia, the backcountry, this is one of only a handful of fringed rifle shirts that have survived. or four ofnly three these that have survived from the revolutionary era. this is one from the collection of the american revolution in philadelphia. the rifle is the earliest signed and dated american rifle from made in america, 1761, reading, pennsylvania, a very distinctive type cometh a very accurate firearm used by these rifleman from the seven colonies to try to use the great accuracy of these firearms to compensate for not having as