Mark Vangroff News Today

Officers here based on my past experience may very well be the reason that ultimately we didnt wind up with more fatalities when people are trapped in a building like that or get cornered by a gunman in a situation. well have to find out as time goes on. what we do know is in the end, despite the short period of time, it was all the way up until almost 11:30 before we heard that they had successfully taken this gunman down and as you know, wolf, theyre still looking to see if maybe there might b...

Our time texting each other, other people, my colleagues in the building, trying to find out who was safe and who was still unaccounted for. >> we know one of those dead, somebody you knew -- >> i do have confirmation that one of the victims is someone that i know and served with in the past. yes. >> im glad youre okay. thanks very much for joining us. mark vangroff. coming up in our special report here in "the situation room" incredible images from the shooting rampage. stay with us. play close...