her name is dianne bilo. she read a text from her husband that said he heard shots from the visitor center, his tex said it sound like the clip of a handgun emptied. it's an area, immemory doesn't fail, where echos would be -- would be resounding. you'd see -- it's a big place. >> reporter: right. it would be hard to know in that part of the visitor center, as you have exactly pointed out, from just the sound itself, what exactly had gone down, but what is not in question is the direction from the capitol hill police to staffers, a building which is a good distance from the capitol to shelter in place and now this security notice indicating that it took place, as i would call it, one the security chokepoints so when people are in tight and coming through. again, i'm a little puzzled by the word "shrapnel" but that's the word they used, and just got a little bit more here from a chad pergram, ore senior produce oregon capitol hill, says: u.s. capitol police are continuing to lock down the entire capitol comple